1. Does PVC trim require a primer?

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A primer is only needed if you want the paint manufacturer’s warranty. Excellent adhesion can be achieved by properly cleaning the board before applying a topcoat of paint to PVC trim. (Refer to painting guidelines in the Versatex contractor handbook for more information on painting PVC trim.)

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2. What type of paint do you recommend for coating PVC trim?

Just about any 100% acrylic latex, or 100% acrylic latex with a urethane additive, can be used to achieve superior coating durability and flexibility. Lacquers are not recommended with PVC trim because lacquers are a more brittle coating, and will not flex with any movement in the PVC trim. Paints like Duration by Sherwin Williams, Manor Hall paints by PPG and Moorelife by Benjamin Moore adhere well to PVC trim.

Paint on PVC trim will last three to five times longer than paints on wood or wood composites due to the absence of moisture in the substrate. Sherwin Williams also offers a field-applied coating under their “Green Seal®” product designation. Kem Aqua® BP Enamel is a water-reduceable polyurethane, acrylic topcoat that offers fast dry times and no critical re-coat times. Due to its excellent adhesion properties, it is an ideal coating for Cellular PVC.

3. Can PVC trim be painted dark colors?

Only light-to-medium colored paints—with a light reflective value of 55 units or greater—should be applied to PVC trim. For example, using paint with an LRV below 55 units will void our product warranty. LRV is measured based on color and its ability to absorb heat. Thus, an LRV of zero (0) is black, and an LRV of one hundred (100) is white. Don’t assume the paint is a light color. We have had cases where contractors believed that the paint they used was a light beige, only to find out it had an LRV in the 20s or 30s. Consult the paint manufacturer for the LRV of your paint before applying it to cellular PVC trim.

4. How long does it take the paint to cure on PVC trim?

That depends on the weather conditions. Warm/dry weather, or warm/humid weather, will allow the paint to cure faster than cool weather. It can take up to 30 days for paint to fully cure on PVC trim, because PVC trim is impervious to moisture. For the paint to cure, the moisture must evaporate through the surface of the coating that has skimmed over from drying.

5. What is the best glue for joining two pieces of PVC trim? What is the best glue for bonding PVC trim to wood? How about metal?

We recommend PVC pipe glue with solvent for bonding the ends of PVC trim boards to themselves (Weld-On 705 by IPS, TrimTight by Trim Glue, Inc. or Christy’s Red Hot). Be sure the PVC pipe glue has sufficient working time to allow you to apply the glue and push the boards together before it cures.

If you are looking for more of a structural bond at shiplap or scarf joints, miter cuts (window surround), or for gluing sheets of PVC trim, we recommend PVC TrimWelder. For bonding to wood, we recommend Liquid Nails Sub-Floor Adhesive or Heavy Duty Construction Adhesive. For PVC trim to metal, PVC TrimWelder Adhesive works best.

There are three types of PVC TrimWelder Adhesives. Slow and Fast Cure for field joints and small glue-ups, and Laminating Grade for sheet glue-ups. Slow Cure should not be used at temperatures below 40°F. Remember to apply any adhesive to only one bonding surface, thus allowing the adhesive to penetrate into the cells on the other trim piece.

6. What is the best fastening system for PVC trim that also hides the fastener head?

The best overall system for securing PVC trim is the Cortex Concealed Fastening System. It combines the advantages of using screws (strong connection) with the PVC trim tapered plug that fits into the hole created by the screw, thus eliminating the need for fillers or sealants to fill the nail holes. When comparing the cost of this fastening system to nails, keep in mind that you won’t have to go back over the trim filling in the nail holes.

7. What are your recommendations for dealing with expansion and contraction?

Use 8d stainless steel annular shank nails, or screws that are designed for wood trim, and are long enough to penetrate the solid substrate a minimum of 1 1/2 in. Simpson Strong-Tie makes an 8d nail with a 7d head in a 12-gauge thickness, available loose or collated, allowing it to be gun-nailed. The nail is called the “Trifecta.” It is half annular (tip) and half ring-shanked, and made from 316 stainless.

Screws are better for limiting the thermal movement of the trim. Allow PVC trim to acclimate to outside temperatures before installing. Bond PVC trim joints to prevent separation. Be sure to allow adequate expansion and contraction space at the end of long runs. If possible, decrease the on-center spacing between fasteners to 12 in. or less, and bond boards to substrate when practical.

Where you have an expansion joint, leave a full 3/16-in. gap when installing on a day where temperatures range from 30°F to 40°F. Leave a gap just large enough to accept a bead of sealant, or no gap at all (adhesive bond), when installing on a day when temperatures range from 80°F to 100°F. Shiplap joints are superior to scarf cut joints, especially on long runs.

If practical, install long runs of trim when the outside temperature and the temperature of the PVC trim board is 55°F to 65°F, in order to minimize thermal movement in the trim.

8. What is the best way to secure PVC trim to masonry?

Trowel the masonry with a sealant or adhesive to provide a level surface to accept the PVC trimboard. Then secure the trim to the masonry with Tapcon masonry fasteners.

9. How do I seal the open cells if I cut the PVC trimboard? Also, how do I clean PVC trimboards?

Handle PVC trim as you would a piece of premium lumber. Be careful not to damage the visible surface of the board. To seal cut edges or clean a cut edge that has gotten dirty, sand them with 320 grit sand paper, and then wipe the edges with Acetone—this will help to re-seal the cells.

To remove dirt and grime from the visible surface or edges of PVC trimboard, use Soft Scrub with Bleach, one of a variety of Clorox products (Clorox Outdoors, etc.), Mr. Clean Magic Erasers® with a little water, or Corte Clean, a composite deck cleaner that has been found to clean cellular PVC trim. As with any new product, try the cleaner in an inconspicuous area before cleaning the trimboards on your project.

10. What are the recommended sealants I should use with PVC trim?

Edge banding: All you need to know & its benefits

Edge banding: All you need to know & its benefits

What is Edge Banding and its uses?

The process of sealing the raw, exposed edges of wood panels with lipping is called edge banding. Edge banding or edging has wide use in furniture making process; thus, making lipping is one of the critical sorts for materials for the furniture sector. Edge banding is also commonly used in carpentry as an end process to tidy up rough edges and ensure that the finished product is durable and constructed to a high standard.

If you have observed furniture being made, you might have noticed that the wood panels have a raw, exposed edge when cut to size. If left unprotected, this natural edge can pose severe problems for the furniture. The exposed edges of the wood panel allow moisture to seep in, making them warp and become uneven or swell, significantly reducing the furniture’s life span. It is also very damaging to appearance.

So, edge banding was created to address the problem. Edge banding protects the wooden panels in your furniture from moisture, thus reducing the effects of atmospheric humidity and liquid spills.

Explore more:
Key Factors Influencing Edge Banding Purchase Decisions

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What is lipping or edge band?

Typically, a lipping or edge band is a thin tape of impermeable PVC, acrylic, or ABS material cut to fit the size of wood-based panel materials such as plywood, particleboard, or MDF. The lipping is then applied to the exposed edge using a strong adhesive. Commercially, edge banding is completed using industry-grade machines called edge banders and a hot-melt adhesive. For flatpack and modular furniture, the material used is mostly PVC, which is easy to fix and has a long life.

Lipping can be sourced in 200 metres rolls, and the thickness of the tape may vary. The width will also be quite different, depending upon the requirement of the customer. At Meru Timber, edge banding is available in various thickness ranges ranging from 0.45mm, 1mm, and even beyond that. 

Thicker lipping is used in high-traffic and commercial settings because it provides greater resilience and impact resistance. For example, doors and drawer fronts may require a thicker 1mm PVC lipping for maximum impact resistance. Typically, a lipping or edge band is a thin tape of impermeable PVC, acrylic, or ABS material cut to fit the size of a wood panel. The lipping is then applied to the exposed edge using a strong adhesive.

How Does Edge Banding Protect The Furniture?

Modular furniture is made using wood-based panels. As such, the wood is handled and made resistant to moisture by treatments. Nevertheless, wood has a natural inclination to absorb moisture. This trend cannot be eradicated – it can only be reduced. The lipping protects the wooden panels in your furniture from moisture, therefore reducing the effects of atmospheric humidity and liquid spills. That means that the strength and durability of the wood increase. So, the next time you spill the tea on your table and it drips down the edge, thank the edge banding for protecting the wood.

Notably, edge banding serves both functional and aesthetic purposes. Functionally, lipping performs some essential duties for your furniture. First, it holds moisture out, serving as a de facto seal on the edge of the core material. Second, edge banding increases strength and resilience by providing shock protection. Aesthetically, edge banding covers unsightly rough edges and creates a glossy finish to match your tops and sides. You can also develop radial edges to soften sharp angles.

Are There Different Lipping For Different Materials?

There are various edge banding materials available on the market. Edge band tape can be made from PVC, ABS acrylic, PP, PMMA, PET, Laser, wood or wood veneer. But, we will focus on two common materials: PVC and ABS. PVC is the most popular material for edge banding. 

PVC- PVC edge banding

PVC (polyvinyl chloride) lipping materials are made from thermoplastic gum and are soft and long-lasting. PVC lipping is most popular in the construction of Laminated And Melamine cabinets and furniture. PVC Lipping is noted for its wide variety of colour matches to Laminate and Melamine board manufacturers. With Europe-style modular cabinets on the rise, it is not uncommon to see cabinets with glossy or colourful finishes. Pigments and other materials are added to produce ostensibly endless edge banding colours, textures and natural wood grains. You are assured of finding a match once you choose your Board laminate!

PVC Edge bands or lipping

PVC edge banding is very popular for modular furniture. It is incredibly durable, simple to fix, and has an extremely long life. Therefore, the PVC edge band is the most preferred edge band model. The material is impermeable, which means that it significantly reduces water absorption.

Furthermore, modular furniture comes in a much wider variety of colours and shades than the possibilities available with real natural wood. PVC lipping can be produced to resemble your modular panel’s exact shade and finish, thus creating a seamless look. Also, PVC is easier to use on curved surfaces than natural wood bands.

So, in essence, the main reasons that PVC is such a popular choice for edge banding are:

• It is inexpensive;
• PVC is durable;
• It Boasts a long life; and
• It doesn't require any finishing process;

Cons for the use of PVC:

• You can't recycle it;
• It doesn't biodegrade;
• Once it's blemished; and
• You can't refinish it.

ABS Edge bands or lipping

ABS (acrylonitrile butadiene styrene) shares most PVC characteristics, but ABS is lower in density and does not include chlorine in its composition. Edge bands made of ABS are eco-friendly, recyclable and thermally resilient, meaning they are safe to incinerate. Lipping made of these materials are available in various colours, finishes and textures, offering you the versatility to pick a colour that best resembles your interior.

Finding the Perfect Edge banding

Whether you are a Fundi or DIY hobbyist looking for a quality edge, banding can require extra effort to achieve the look and value of your furniture. That is why you should seek professionals for their expertise and guidance in selecting the correct width, thickness, and colour shed.

There are a variety of lipping tapes available in the market, from pre-glued ones to 3D acrylic tapes: 

• The thickness of – 0.45mm, 1mm (Recommended), 2mm and 3mmm
• Board thickness – 22mm, 27mm, 45mm, 54mm and 60mm
• Materials – Solid colours like – White, Light Grey, Dark Grey, Red, Green, e.t.c
• Materials – Wood Grain Colours – African Wenge Esperanza Oak, Cherry, Zalzach Beech e.t.c

Edge Banding at Meru Timber

We at Meru Timber can assist you with making those critical selections! We use top-quality, commercially available lipping with 90 different colours currently in stock. Additionally, we offer a diverse range of finishes and patterns to choose from – You name it; we have got you covered. And, if it’s pre-finished you’re looking for, we’ve got that too! The consistency of our products speaks for itself, and we are eager for you to notice our quality. Our PVC lipping materials are designed to match current popular melamine boards such as Timsales, Comply, PG Bison and Rai plywood. We aim to offer a one-stop shop and make your life easy…

Your Cost Considerations

Generally speaking, we recommend PVC lipping for projects where budget is the primary factor. That is not to say there is anything wrong with this material—far from it. There are just fewer levels in the production process, and the raw material is less costly. We consider this a premium solution with more steps required in the production process.

 Using the right lipping for a particular material is essential to ensuring strength, durability, and precision. We recommend 1mm lipping for PVC because it runs cleaner, faster, and with superior adhesion. Thus, an added benefit is a smooth radius and nice, soft-looking furniture. 

Pro Tip In general, we avoid 0.45 mm edging because the corners tend to be too sharp. Thin 0.45mm lipping is suitable for drawer boxes and light use edges. 1mm and 2mm are ideal for door edges and countertop edges or anywhere you will get heavy use. Countertop edges are well suited to a 3mm product as it is very resistant to abuse.  For cabinets and wardrobes in low-use areas, such as a home office, 0.45mm edging tape is adopted to be cost-effective while being long-lasting. For frequently used rooms, like kitchens and bathrooms, 1mm thick edging tape is recommended to better protect your cabinets from frequent use. Finally, 3mm edge banding is used for commercial jobs, where strength and longevity are a must.

EDGE BANDING WITH HOT MELT ADHESIVE

Edging adhesive, also known as hot-melt glue, is a thermoplastic adhesive. A suitable adhesive is essential to ensure that your edge banding goes on and stays on and that you don’t make a mess of your project. However, using the wrong glue in the wrong way could spell disaster! 

We choose to use a hot melt glue for our adhesive solution because it’s user-friendly and provides an excellent seal. We apply the glue to the edge while still hot and then use the banding, pressing it to the side.

The two main hot-melt glue choices are EVA (Ethylene Vinyl Acetate) and PUR (Polyurethane). Each has advantages and disadvantages, depending on your project and the material you are working with.

• EVA Adhesive. EVA adhesive is a multipurpose hot melt glue used in various applications. It is suitable for all edge banding, including PVC, Melamine, ABS, Acrylic, and wood veneer. It’s the most affordable end of the market, has fairly standard water and heat resistance, and is easy to work with and clear up after.
• PUR adhesive. Polyurethane (PUR)- based hot melt glue hardens when dry and cannot be remelted. It forms a powerful bond quickly, leaving little room for mistakes and the need to work fast. Some can set in seconds; the full cure time is 24 hours.

Machinery is used in the process of Edge Banding

The machine that is used for this process is called an edge bander. The Edge bander machine applies the lipping to the raw edges of the wood panels with hot-melt glue. Edge banding machines can process lipping up to 3 mm thick and up to 50 mm wide. The ends are trimmed flush and bent to cover the wood and do not have any sharp corners at the edges. Any excess adhesive is scraped off, and the finished edge is buffed to give a perfect, seamless finish.

At Meru Timber, we use State-of-the-art machinery that improves the glue edge and squares it up perfectly. One of them is Casadei Edge banding machines – Italian technology and another Industrial edge banding machine from Europe, Capable of grooving and corner rounding. 

Additionally, we’ve invested in top-of-the-line Cutting Optimization software to calculate and determine the linear Metres of lipping required for your entire Project.  

When generating your cutting list, there is no need to subtract edge banding thickness; our software will automatically provide you with the finished size.

The size of the part is automatically adjusted to accommodate the thickness of the lipping.

Learn how to manage your cutting list successfully on Meru Timber’s online cutting list platform. Then, with a single click of a button, you can get the quantity of edge banding material required for your entire Kitchen or wardrobe project!

A Quick start video on how to us Meru Timber cutting list platform is as below. Remember, its absolute Free to use our online cutting list platform!

A local carpenter/in-house fundus may not have the capacity and know-how within their reach. That’s why there is a distinction between commercial modular and carpentry edge banding. 

Videos: Edge Banding Basics

Here is a video to help you visualize the process on an industrial scale. Using a fully automated machine for excellent flexibility and easy adjustment reduces production time and gives the best output.

Want more information on PVC Edge Band Manufacturer? Feel free to contact us.