Drywall Mesh Tape - Chu's Packaging Supplies

$130.00

For more information, please visit yinuoqianjin.

Our Chu's Packaging Supplies Drywall Mesh Tape is ideal for repairing cracks, patching holes, and mending seams common in plaster and drywall installations. It's a must-have for contractors aiming for perfect remodel jobs. Fiberglass mesh tape is much stronger than the commonly used paper tape and doesn’t tear, bubble, or shrink.

Product Features

• Adhesive-backed self-adhering fiberglass mesh
• Adheres well to most surfaces under a wide range of conditions
• Quick and easy to apply
• Eliminates shrinkage, tears, and bubbles common with paper joint tape

Sold in case quantities with 24 or 48 rolls per case.

Please see the full product description below for all available sizes and colors of our mesh tapes.

Why Choose a Fibreglass (GRP) Lining for Concrete?

Concrete is a standard material for many building projects. However, as a porous material, concrete is not ideal for waterproofing or water containment. Extended exposure to water often drastically shortens its lifespan, especially in environments subjected to abrasion, impact, and general wear and tear.

Fibreglass (GRP) linings and coatings offer significant benefits to concrete surfaces and structures. They provide waterproofing, chemical resistance, and abrasion and erosion resistance. Fibreglass also protects from physical impact and stress, making it suitable for a wide range of applications. It bonds extremely well to concrete, offering great utility as a substrate for such applications.

Concrete Surfaces: Applications of Fibreglass Linings & Coatings

Linings are designed to protect the internal contents of structures (such as fish in a pond or drinking water in a storage tank) from leaking or being contaminated by external pollutants from ground soil and porous substrates.

Typical applications of a fibreglass lining or coating include waterproofing for ponds, walls, and floors of shower rooms, wetrooms, spray-down rooms, and animal storage rooms. More specialized features center on chemical containment spill bunds, potable water features, gutters, gullies, storage tanks, and drainage channels.

Fibreglass is a high-performance waterproofing barrier. Designed to bond strongly to concrete, it offers protection from liquids and other stressors like UV solar rays, vegetative growth, and aggressive chemicals. Fibreglass can also be coated with a variety of topcoat resins, allowing for different pigments and additives (non-slip grit, flame retardants, etc.).

How to Create a Fibreglass Lining/Coating for Concrete

This section details how to apply fibreglass to concrete, including the type of concrete that may be used, its condition, and any necessary preparation work. In short, concrete must be stable, clean, dry, and uniform with no excessively rough or sharp edges before fibreglassing.

Health & Safety

Working with fibreglass can be hazardous. The following table shows some of the safety equipment that should be used:

Safety Item	Description
Goggles	Protection for eyes from hazardous liquids and objects
Dust mask	Protection from inhaled particulates, especially during preparation tasks like sanding
Chemical mask	Protects from inhaling hazardous chemicals, typically used in enclosed or poorly ventilated spaces
Nitrile gloves	Chemically resistant gloves for short-term protection when working with chemicals
Gripper gloves	Thicker gloves for handling glass fibre matting

Please note that the above table is specific to fibreglass (GRP) work. Additional steps may be required for concrete preparation. Working with concrete can cause health problems, so please take care.

Types of Concrete

The type of concrete used can determine the extent of preparation work required. Preparation recommendations for concrete are shown below:

Type	Description	Recommendation
Breeze Blocks	Ensure joints are filled in. Apply a layer of cement render.	Ensure joints are filled in. Apply a layer of cement render.
Cement Render	Cement-based covering applied to a base substrate	Allow to dry. Check moisture levels.
Screed	Cement and sand-based coating applied to a base substrate	Allow to dry. Check moisture levels. Use concrete preparation methods as stated.
Existing concrete	May include previously mentioned types of concrete or their equivalent	Check moisture levels. If wet, eliminate the moisture source and allow to dry.
Wet (Fresh) Concrete	Freshly laid concrete demonstrating a high moisture content	Allow to dry. Check moisture levels.
Paving Slabs	Uniform, flat slabs with small gaps between each block	Ensure joints are filled in.

1. Concrete Preparation

Before applying fibreglass to concrete, it must be amenable to bonding. Ensure the surface is clean, dry, and mildly roughened to avoid interference with bonding. Various methods are shown below:

Method	Description	Microcracking Risk	Skill Level
Sanding	Using sandpaper to remove contaminants and produce a smoother surface	None	Low
Grinding	Removes laitance, protrusions, and contaminants, producing a smooth surface	None	Moderate
Abrasive Blasting	Shoots an abrasive in a stream of compressed air to clean and roughen the surface	None	Moderate
Shotblasting	Uses steel shot to pulverize the concrete leading to a rougher surface	None	Moderate
Water Jetting	Uses high-pressure water to clean and roughen the surface	None	Low
Scarifying	Uses toothed washers on a rotating drum to create a striated pattern	Moderate	Moderate-High

Note: Safety is critical. Use a dust mask, safety goggles, and protective gloves to avoid exposure to dust and debris.

2. Allow the Concrete to Dry

Concrete must have a low moisture content before applying fibreglass, as moisture interferes with chemical bonding. Ensure the concrete is dry. Fresh concrete can take 4-6 weeks to dry without accelerated drying. Check moisture levels with a moisture meter or calcium chloride testing.

3. Concrete Repairs

Repair any cracks or damages in the concrete surface before coating. Cracks may need to be smoothed down after curing to create a uniform surface. Some grinding or sanding may be required.

4. Clean the Surface: Remove Dust and Debris

After surface preparation, remove any dust and debris to create a clean surface amenable to resin adhesion. Excess dust can prevent a strong bond between the GRP and the surface.

5. Primer Application

Applying a primer layer enhances adhesion by filling small cracks and pores. It also acts as a moisture-curing layer to block external contaminants. Apply primer with a paintbrush or foam roller.

If you want to learn more, please visit our website adhesive fibreglass mesh.

Fibreglass Laminating

This section details the laminating and top-coating procedures needed to create a fibreglass covering.

If you want to undertake this work yourself, Resin Library offers a range of fibreglass kits, including repair kits and roofing kits with the necessary materials and tools.

1. Pre-Cut Glass Fibre Matting

Size and cut the CSM into manageable sections for application. Concrete protection made from GRP typically requires robust protection, often using 450 or 600 gram CSM. Make sure the CSM exceeds the area to which it is being applied.

2. Laminate the Glass Fibre

Mix the resin with catalyst and use a polyester roller to saturate the mixture into the mat. Care should be taken to mix the resin-catalyst mixture thoroughly but without creating excessive air bubbles.

3. Consolidate the Laminate

Use a paddle roller to consolidate the laminate, refining the surface and forcing out air bubbles and excess resin. This step is crucial to avoid structural weaknesses.

4. Allow Laminate Curing

Let the laminate harden or 'cure.' This allows the resin to crosslink and create a solid structure.

5. Prepare Resin Topcoat

After the laminate has cured, mix the topcoat with catalyst and dye. For flooring applications, consider adding non-slip aggregate during the mixing process.

6. Topcoat Application

Apply a single layer of topcoat resin onto the laminated surface. Use a foam roller for larger areas. Ensure not to apply too much resin, as this will create a brittle surface.

Once the topcoat has been applied, allow it to cure. Cure times can vary depending on the conditions but generally range from 2 to 24 hours.

Frequently Asked Questions

Fibreglass linings and coatings have many applications. We’ve addressed some common questions below:

Q. How do I fibreglass a concrete pond?

A. The same procedure as outlined above can be applied to create a fibreglass pond lining.

Q. What is the procedure for fibreglassing concrete?

A. The video below provides an excellent overview of how to create a fibreglass coating for concrete.

Q. What is the best method for measuring concrete moisture levels?

A. Moisture meters offer more precision and accuracy than calcium tests, which are cheaper and easier but less accurate.

Disclaimer: The information provided on this site is for general informational purposes. Resin Library is not liable for any outcomes. Please seek professional advice before conducting any work.

Are you interested in learning more about fiberglass mesh tape factory? Contact us today to secure an expert consultation!