Alexei Volkov
Plastic L-bead is a useful material for construction and home improvement projects. It is a lightweight, soft, and flexible material that can be easily cut and shaped to fit various applications. When installing plastic L-bead, it is essential to consider the expansion and contraction of the material due to temperature changes. One effective method of securing plastic L-bead is by stapling it in place. This process requires careful consideration of staple type, size, and spacing to ensure a secure and long-lasting installation without causing damage to the plastic. This guide will explore the tools, techniques, and best practices for stapling plastic L-bead effectively.
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What You'll Learn
Use stainless steel staples to avoid rusting
When stapling plastic L-bead, it is important to consider the type of staple you use, especially if your project involves wet conditions or outdoor use. While galvanized steel staples are suitable for indoor upholstery projects, stainless steel staples are the better choice for avoiding rust and ensuring durability in wet or outdoor environments.
To staple plastic L-bead effectively, follow these steps:
- Measure and cut the L-bead to length, subtracting ½” for vertical applications.
- Dry fit the L-bead to ensure an optimum fit.
- Spray the drywall surface and the flanges of the L-bead with adhesive and position the L-bead into place. Apply pressure with the handle of a taping knife.
- Use stainless steel staples and staple the corner bead every 6” – 8” with ½” staples to secure the L-bead tightly to the drywall surface.
- Apply a first coat of joint compound to the surface of the L-bead using a 6” taping knife. A lightweight or setting-type compound will reduce shrinkage and speed up drying time.
- Allow the first coat to dry completely, usually several hours or overnight.
- Apply the final coat of joint compound using an 8” taping knife, feathering the compound beyond the previous coat.
It is worth noting that manual staple guns may not have the power to penetrate hard plastics. In such cases, an electric or air stapler is recommended. Additionally, while stapling is a common method for securing L-bead, some professionals recommend using nails or a combination of both methods for a more secure hold, especially with metal corner beads.
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Space staples 6-12 inches apart
To install an L-bead, first measure and cut the L-bead to length, subtracting ½” for vertical applications. Then, dry fit the L-bead to ensure the optimum fit. For optimal results, spray the drywall surface and the flanges of the L-bead with spray adhesive and position the L-bead into place. Once in position, apply pressure with the handle of your taping knife and then staple the corner bead with ½” staples to keep the L-bead tight to the drywall surface.
When stapling plastic L-beads, it is important to space your staples 6-8 inches apart for a solid hold. If you are using an adhesive, you can space your staples 6-12 inches apart. If you don't want to use an adhesive, double up the staples every 2 to 3 inches for added stability.
You can use a variety of tools to staple plastic L-beads. A staple gun is a common choice, but manual staple guns may not be powerful enough to penetrate hard plastic. An electric staple gun or an air stapler may be more suitable for this task. You can also use a little T50 stapler with 3/8" staples, or a Trim-Tex 1/2" divergent pneumatic stapler.
After stapling the L-bead in place, you can apply a coat of joint compound or mud to create a smooth finish.
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Combine with spray adhesive for a strong hold
When working with plastic L-bead, it is important to use the right tools and materials to ensure a secure hold. While staples can be used, they may not be sufficient on their own, especially if the plastic is hard. Here is a step-by-step guide to combining staples with spray adhesive for a strong hold:
Prepare the L-Bead:
First, measure and cut the L-bead to the required length, subtracting ½” for vertical applications. A dry fit is then recommended to ensure the best fit.
Apply Spray Adhesive:
For optimal results, use a spray adhesive suitable for the surface you are working on. Spray both the drywall surface and the flanges of the L-bead. Ensure an even application, following the manufacturer's instructions for the specific adhesive you are using.
Position and Staple:
Once the adhesive is applied, position the L-bead into place. Apply pressure with the handle of a taping knife to ensure a tight fit. Then, use staples to secure the L-bead. For drywall applications, use ½” staples every 6” – 8” along the corner bead.
Finish with Joint Compound:
After stapling, apply a coat of joint compound to the surface of the L-Bead using a 6” taping knife. A lightweight or setting-type compound will reduce shrinkage and speed up drying time. Allow this coat to dry completely, which may take several hours or overnight. Finally, apply a second coat of joint compound with an 8” taping knife, feathering it beyond the previous coat.
By following these steps, you can securely attach plastic L-bead using a combination of spray adhesive and staples, resulting in a strong and durable hold.
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Use an electric stapler for hard plastic
To staple through hard plastic, an electric stapler is required as manual staple guns are not powerful enough to penetrate the hard plastic. Electric staplers that shoot your normal-sized staples are available. The most common type shoots 3/16 x 9/16" staples.
If the plastic is very hard, an air stapler may be the only tool powerful enough to penetrate it. An 18-gauge crown stapler is one such tool. If you have to buy a new tool, it may be more cost-effective to hire an upholsterer.
One example of an electric stapler is the Porter-Cable US58 3/8" Crown Fine-Wire Stapler. Other brands are also available. The Jamerco upholstery stapler is another option; it is very light and has plenty of power. Be aware that neither of these tools has a contact safety feature, so be careful when using them.
When stapling through hard plastic, ensure that you are using the correct type of staples for your stapler.
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Avoid over-tightening staples to prevent cracking
When stapling plastic L-bead, it is important to avoid over-tightening the staples. This is because plastic expands and contracts with temperature changes, and over-tightening staples can restrict this ability, leading to cracking or distortion of the plastic.
To avoid over-tightening, simply snug the staples enough to hold the plastic L-bead in place without applying excessive pressure. Using oversized holes for fastening can also help to mitigate the effects of expansion and contraction, allowing the plastic to move more freely with temperature changes. Pre-drilling holes is another useful technique, especially when working with thicker plastic or fastening the plastic L-bead to a different material.
It is also important to use the correct type and size of staples. Stainless steel staples are recommended as they will not rust and are suitable for outdoor setups. Additionally, ensure that the staples are the appropriate size for the plastic L-bead. Staples that are too big can tear the plastic, while staples that are too small may not hold it securely.
By following these guidelines and being mindful of the expansion and contraction properties of plastic, you can effectively avoid over-tightening staples and prevent cracking or other damage to the plastic L-bead.
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Frequently asked questions
The best way to staple plastic L bead is to use a combination of spray adhesive and staples. First, measure and cut the L-Bead to length, then spray the drywall surface and the flanges of the L-Bead with spray adhesive. Position the L-bead into place and apply pressure with the handle of your taping knife. Finally, staple the corner bead every 6-8 inches with 1/2-inch staples to keep the L-bead tight to the drywall surface.
It is recommended to use stainless steel staples for plastic L bead. These staples will not rust and will keep your installation looking sharp for years.
It is recommended to space staples about 12 inches apart for plastic L bead. This will prevent warping during expansion.
Plastic L bead is used for drywall corners. It is known to save time and labour, as well as resulting in a flatter wall.
Yes, an electric stapler should be powerful enough to penetrate plastic L bead.
