The Ultimate Guide To Fitting Internal Plastic Cladding

how to fit internal plastic cladding

Plastic cladding is a versatile material that can be used for both interior and exterior walls. It is a low-maintenance and durable alternative to traditional wall coverings, offering a range of colours, patterns, and textures to suit different environments. With its waterproof and recyclable properties, plastic cladding is a popular choice for bathrooms, kitchens, and other establishments where hygiene is important. Installation of plastic cladding is relatively straightforward, with interlocking panels and various fixing methods, such as adhesive, screws, or nails, depending on the substrate. Proper preparation and measurement are key to a successful installation, ensuring a secure and aesthetically pleasing finish.

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Cutting and preparing the panels

Before cutting and preparing the panels, you must first decide where you would like to fit your cladding panels and measure both the width and height of each wall. The panels can be laid vertically or horizontally, but this will depend on your room dimensions and the length of the panels. It is also important to ensure that the wall is flat and true and that the surface is free from any grease or dust before installing the panels.

For cutting the panels, you can use basic hand tools such as a Stanley knife, a fine-tooth handsaw, or a circular saw. If using a handsaw, cut with the decorative side facing up, and if using a jigsaw, cut with the decorative side facing down. You can also use a line bender to heat and bend the sheets if you need to create corners. When using a Stanley knife, simply score across the width of the panel to allow it to break off in a straight line.

After cutting the panels to size, you will need to decide on the best method for attaching the panels to the wall. There are several options, including mechanical fixings, adhesive, or double-sided adhesive tape. If you choose to use mechanical fixings such as plastic-headed nails or screws, keep in mind that this will puncture the waterproof membrane, creating potential issues with waterproofing. Using adhesive is a faster and more secure method, and it is recommended to use an S-shape or dot-and-dab technique when applying it to the panels. For wooden frameworks, screws or staples are recommended.

Finally, prepare the corner trims by cutting them to the right height and adhering them to the wall. Insert the panels into the trims and mark their location on the wall with a pencil before adhering the panels. Finish the perimeter trims by snap-fitting the front part of any 2-point trims. Ensure that the battens are installed with appropriate fixings and that the ventilated air path is open at the base and top edge of the cladding.

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Preparing the wall

Inspect and Clean the Wall

Start by thoroughly inspecting the wall to ensure it is in good condition. Remove any old cladding or material if you are replacing existing cladding. Check for any structural issues, such as cracks or uneven surfaces, and repair them if necessary. It is important to ensure that the wall is flat and smooth, and free from any grease, dust, or debris. Clean the wall surface with a mild detergent or simply wipe it down to remove any dirt or grease. This step is crucial to ensure the adhesive will bond properly.

Measure the Wall

Before installing the cladding, carefully measure the width and height of each wall you plan to cover. This will help you determine the required amount of cladding panels and trims. It is important to ensure that the height of the wall is shorter than the length or height of the panels, as most panels are designed to run from floor to ceiling.

Choose the Right Adhesive

Select an appropriate adhesive suitable for the surface you are working with. For internal plastic cladding, you can use a strong impact adhesive, such as PinkGrip, which provides a secure and permanent bond. If you are installing cladding over plasterboard or other solid surfaces, you can also use a solvent-free adhesive. However, for wooden frameworks, screws or staples are usually recommended.

Mark the Wall

Using a pencil, lightly mark the wall to indicate the placement of the cladding panels. This will help you visualize the layout and make any necessary adjustments. Mark the locations of the panels, trims, and battens to ensure proper alignment during installation.

Prepare the Trims and Battens

If your cladding requires trims and battens, cut them to the appropriate height and width. Ensure you follow the manufacturer's guidelines for batten spacing and installation. Typically, battens should be installed at a maximum of 400mm centres, and the ventilation air path should be kept clear to allow for proper airflow behind the cladding.

By following these steps, you will effectively prepare your wall for internal plastic cladding installation, ensuring a smooth and successful process. Remember to refer to the specific instructions provided by the cladding manufacturer for any additional preparation requirements.

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Using adhesive

When fitting internal plastic cladding, adhesive is a popular method. Adhesive is often used to attach cladding to plasterboard or other solid surfaces, such as plywood. It is also possible to attach cladding directly to existing tiles using adhesive, but the tiles must be grease-free and clean.

There are several types of adhesive that can be used for internal plastic cladding. Solvent-free adhesives are recommended for attaching cladding to plasterboard or tiles. For wooden frameworks, screws or staples are typically advised. Impact adhesives, such as PinkGrip, can be used to attach cladding straight to the wall or over existing tiles, providing they are securely fixed and relatively flat. To ensure a strong bond, the surface should be free from grease or dust before applying the adhesive.

When using adhesive to attach internal plastic cladding, there are two common techniques: the S-shape method and the dot-and-dab method. The S-shape method involves running the adhesive down the panel in an S pattern, covering as much of the surface as possible. The dot-and-dab method involves applying the adhesive in small amounts, or "dots", and then spreading it with a dabbing motion.

It is important to choose an adhesive suitable for the temperature of the installation. For example, if the cladding is being installed in a cold store or a hot kitchen, the adhesive must be able to withstand those temperatures. The thickness of the adhesive is also a factor to consider. It should be thin enough to prevent undulations in the cladding but thick enough to bridge any unevenness on the wall.

In some cases, drilling holes in the cladding may be necessary, such as for electrical cables or pipework. This can be done using a sharp SDS drill bit at a high speed and slow entry speed. Using a fine-tooth hole cutter tool is recommended for larger holes. Applying silicone to the corner trims and end caps is also important to ensure a watertight seal.

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Using screws or staples

When installing internal plastic cladding, there are various methods you can use, depending on the type of surface you are fixing to. If you are fixing cladding to plasterboard or a wooden framework, screws or staples are a good option.

Before you begin, ensure the wall is free of dust and dirt so that the cladding can properly adhere to the surface. Measure the height and width of the area you wish to cover, and cut your cladding panels to size. If you are using a hand saw, cut at a shallow angle to ensure a nice, smooth edge.

To attach the panels using screws, you need to screw through the lip of the panel. The next panel will then slot into place, covering the screws. You can also use staples, fixing them at even points across the panel lip or each place it hits the batten.

When screwing or drilling, take into consideration any cable runs from sockets or switches so that you do not damage them. They will either run directly horizontal or vertical from the outlet in each direction.

Finally, if you are fitting spotlights, bear in mind the position of the studs and leave room for any wiring or fittings.

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Trims and finishing

Trims are an excellent way to finish any unsightly gaps or edges that are left after or during the fitting process. They are used to cover any internal, external or open edges with a decorative finish. This is the simplest method of achieving a tidy finish to your cladding.

There are different types of trims available for different purposes. Corner trims are ideal for external corners, providing a clean and protected edge. Skirting trims work well for the bottom edges and around windows and doors, concealing any gaps and providing a neat look. Quadrant trims can be used for corners as well as any internal angles that are of a wider degree. They can be fitted after the cladding and adhered directly to the corner. Internal corner trims are used as a starter trim in most situations, creating the perfect starting and end point for each corner of your room, making installation a breeze. External corner trims, on the other hand, are generally fitted before the cladding or during the fitting process as the profile slots onto the cladding.

When fitting your cladding trims, start by measuring the edge or corner with a tape measure. Transfer these measurements to the trim and mark with a pencil. Cut your cladding trim with your desired cutting tool, ensuring that the trim is fully supported while cutting. You can use a measuring square to cut your mitred joints in your cladding trims for a simpler method. A mitre block can be used to keep the trims steady while cutting. You can either silicone or screw the trims in place depending on the situation. Fitting your cladding trims after you have fitted the panels can be easier in some situations. However, the only difficulty with this approach is removing the back supporting plastic layer of the trim. This can be done with a sharp utility knife, but you must be careful and take your time while cutting to ensure you don’t damage the profile of the trim. Once the supporting layer is removed, the trim can be adhered to the corner or edge using silicone or mitre adhesive.

Finally, give the trims a wipe down with a damp cloth or cleaning wipe to remove any excess adhesive or dust. If your panels are protected by a film, keep it on until the installation is finished to avoid any damage.

Frequently asked questions

Basic hand tools such as a Stanley knife, a fine-tooth handsaw, or a circular saw can be used to cut the panels. You will also need an adhesive such as PinkGrip or StormGrip, or alternatively, you can use plastic-headed nails or screws with plastic screw caps.

Ensure that the surface is free from any grease or dust. If you are cladding over existing tiles, check that they are fixed tightly and are relatively flat.

When using a handsaw, cut the panels with the decorative side facing up. When using a jigsaw, cut with the decorative side facing down.

You can attach the panels using screws or adhesive. To use screws, screw through the lip of the panel and then slot the next panel into place, covering the screws. To use adhesive, run the adhesive down the panel in an S shape or use the dot and dab technique.

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