QA

Question: Do You Need To Seal Villaboard Before Tiling

The cut edges of Villaboard sheets do not need to be sealed – they are completely immune to permamanet water damage. Thoroughly clean all surface dust from lining sheets with a damp cloth before applying tile adhesive to ensure maximum bond.

Do you need to prime Villaboard before tiling?

Includes Compressed Fibre-Cement Sheeting (interior / exterior floors), Fibre-Cement Sheet/Villaboard (interior walls) and Ceramic Tile Underlay (for sheeting timber floors). Some are highly absorbent, therefore you must prime all types and grades of fibre cement sheets prior to tiling, with Davco Ultraprime.

Do I need to waterproof Villaboard?

Villaboard™ is a heavy-duty wall lining compared to plasterboard. Ideal for use in bathrooms and wet areas, if the waterproofing fails you can rest assure that Villaboard won’t. Use it on walls and ceilings in bathrooms, laundries, kitchens and high-traffic areas, and even in multi-residential and commercial buildings.

How do I seal a Villaboard join?

Mix up some base coat compound to a toothpaste consistency. Then apply it to the joint between two boards with your 75mm paint scraper. Make sure you work quickly, as the compound has a short drying time. While the compound is still wet, place a strip of paper tape over the joint and flatten it down with your scraper.

Do you need to waterproof wall before tiling?

In July 2018, the British Standards Institute (BSI) introduced changes in regulations for tiling in wet areas. Under the new revision, if you are tiling a wet area, a suitable tanking membrane should be fitted first. But under the new regulation, it is now recommended that domestic locations be waterproofed as well.

How do you prepare old concrete for tile?

Start by sweeping your concrete floor to get rid of all dust and debris. Then clean with a wet mop of plain water. Use a few tablespoons of a degreasing cleaner in warm water and scrub the concrete with a scrub brush. Finally, rinse thoroughly.

Can you tile directly on cement board?

Cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall-tile applications in wet areas like showers and tub surrounds. Ceramic tile laid over cement board is one of the most durable floor or wall surfaces you can install.

Can you use Villaboard tile underlay?

They are both fibre cement. Villaboard is impact & water resistant. Drill it and you’ll find out. Tile underlay is not water resistant, you cannot use it to sheet a wall in a wet area, but you could otherwise if you are happy with the texture.

Can you flush Villaboard?

Villaboard™ lining is a premium sanded fibre cement sheet with recessed edges for flush jointing. Villaboard™ lining is an ideal internal lining for bathrooms, laundries, kitchens and high traffic abuse areas. It is not suitable as an external wall cladding. Long edges recessed for easy flush-jointing.

Is Villaboard a cement sheet?

Villaboard is a smooth, sanded flat fibre cement sheet with recesses on the long edges for flush jointing and a seamless finish. It can be painted, wallpapered or tiled.

Do you screw or nail Villaboard?

According to both gyprock and villaboard, any tiled and/or wet area should only be fastened with screws.

Can you use Aquachek in a shower?

In residential projects Gyprock Aquachek is ideal for use in bathrooms, laundries, ensuites, toilets and protected external ceilings like soffits and verandahs. In commercial projects Gyprock Aquachek is typically used in showers/change rooms, restrooms, laundries and kitchens, hospital ward bathrooms and soffits.

How do you fix a hole in cement board?

Step 1: For holes larger than 1/2-inch in diameter, use a carton knife or carbide-tipped tool to cut a V-shaped groove behind the edges of hole. This will allow the patching compound to lock in behind the cement board. Step 2: Use a clean, damp sponge to wipe down the area to be patched.

Can you tile straight onto waterproofing?

It is not unusual to hear of a water-based membrane being applied one day and tiled the next day. However, the majority of water based waterproof membranes require a minimum of 48 hours prior to tiling.

How do you waterproof a shower after tiling?

ANSWER – If the ceramic tile is already installed there is no way to fully waterproof the floor after the fact, unless you replace the tile and install a legitimate waterproof membrane during the replacement process. Some people will try to put a sealer on the grout joints, but that doesn’t waterproof it.

Do I need underlayment for tile on concrete?

Although you don’t need to install an underlayment between the concrete and the tile, you need to prepare the surface before placing the tile. After all, cracks and uneven areas in the concrete can cause damage to the tile above, and uncontrolled moisture in the concrete can destroy the mortar and loosen the tiles.

How do you adhere tile to concrete?

Press the tiles into the mortar and place a flat board over them. Gently beat the board with a mallet to hammer the tiles into the mortar and create a firm bond. Let the mortar dry for 24 to 48 hours before grouting or walking on the tiles.

What side of cement board do you put tile on?

Cement board has a smooth side and a rough side. Face the rough side out if you will be using thin-set mortar adhesive to install the tile but the smooth side out if you will be using latex mastic.

Can you use cement board in a shower?

There are several acceptable applications of cement board in the shower. All applications pair up the tile board with some kind of waterproofing material, whether a liquid membrane, plastic sheeting, an uncoupling membrane like Schluter Kerdi, or a board that is already faced with waterproofing.

Do you need to use tile underlay?

Before laying floor tiles you need to install tile underlay. Easy to handle and quick to install, underlay gives you a flat, durable and smooth surface. It also resists moisture, mould and doesn’t swell if it gets wet, so it’s ideal for your bathroom, laundry or any other wet areas.

Do you put underlay under tiles?

A tile floor consists of three individual layers: the subfloor, the underlayment, and the surface tile you walk on. (Without one, even slight movement of a subfloor can cause grout lines to crumble and tiles to crack.) Good underlayment also provides a waterproof barrier between the tile and the subfloor.

What nails do I use for tile underlay?

Use 2.5mm x 25mm underlay nails. Drive nail heads flush with the surface. For hardwood floorboards nailing of the underlay is sufficient. For softwood floorboards, plywood and particleboard flooring, it is recommended that the underlay be glued to the floor with wallboard adhesive in addition to nailing.