QA

Question: What Is Blue Grit

Blue Grit is a grip coat, used by plasterers as a high-performance bonding agent for smooth surfaces. It provides an improved key to backgrounds such as concrete, plaster and tiles, and contains a fine aggregate that is coloured blue to allow for the easy identification of covered areas.

How do you use blue grit?

Apply using a short pile roller or brush to give an even coating. FEBOND BLUE GRIT is coloured blue to help avoid missing any areas. Protect adjacent surfaces from splashes and remove any FEBOND BLUE GRIT before drying with warm soapy water. Allow to dry thoroughly before applying plaster (usually 24 hours).

Do you need to PVA blue grit?

No, blue grit is a bonding agent in itself with the added benefit of an added aggregate to assist in bonding skimming to smooth backgrounds, so there is no need to use PVA aswell.

What is blue grit plaster?

Febond Blue Grit is a high-performance plasterers grip coat bonding agent specifically designed to provide an improved key to smooth surfaces. Containing a fine aggregate, it provides a mechanical key to backgrounds such as plaster, concrete, painted surfaces, textured surfaces and ceramic tiles.

What is the coverage of blue grit?

Contains a fine aggregate which provides an improved key on smooth surfaces such as plaster, concrete, ceramic tiles and painted or textured surfaces. One coat application, coloured blue to indicate coverage. Allow to dry thoroughly, minimum 24 hours before applying plaster. Coverage approx 4-5m2 per litre.

Can you use blue grit on tiles?

Products such as Febond Blue Grit are specifically designed to provide an improved key to surfaces including plaster, concrete, painted surfaces and glazed tiles by incorporating a fine aggregate into the mix, whilst also reducing suction on highly porous substrates such as blockwork.

What is pre grit used for?

Bond It Plasterers Pregrit is a ready-to-use internal plaster bonding agent with added aggregate to provide a key prior to plastering on smooth surfaces. Uses Of Plasterers Pregrit: Bonding agent for smooth surfaces. Contains sand/aggregate to provide plaster key.

Can you plaster over blue grit?

Blue Grit is the best bonding agent to use on tiles instead of PVA. If you do not have time to remove the tiles, apply a layer of Blue Grit bonder to them first as a primer, let it dry thoroughly for around 24 hours before applying your plaster.

Can you plaster over wallpaper with blue grit?

You should always remove any wallpaper before plastering if the plaster is to properly adhere to the wall. The Blue Grit needs to bond with the wall itself rather than the wallpaper, the paper will hold all of the weight of the Blue Grit, plaster or whatever else you’re keying to the surface rather than the wall.

What’s the difference between plastering and skimming?

Skimming is the name given to a plastering technique where a wall is plastered with a layer of thin coat. They are both used to decorate buildings and increase the durability of a wall, but skimming is done to upgrade an old building whereas plastering is done to a new one.

Can you use blue grit for rendering?

Out of date plaster, wall has high suction rate, blue grit only provides a key. No need to use blue grit on the render, would have just well wetted that area.

Can you plaster over old tiles?

Yes, you can plaster over tiles. Give it a coat with Wickes bonding agent, as it is better than PVA. You can also throw a few handfuls of sand onto the bonding agent when it is wet to enable the plaster to stick better.

Why are there blue grit walls?

Blue Grit is used to create a smooth surface which helps improve application of tiles, paint, concrete and plaster onto walls. It enhances grip and bonding for a longer lasting result.

Is blue grit better than PVA?

Blue grit kills the suction preventing this but this means you will have to wait longer for your first coat to firm up enough to put a second coat on. You should be ok leaving it 8 weeks before skimming but a coat of pva or even better sbr would be worth it, just make sure to let it dry at least until it is tacky.

How long can you leave blue grit before plastering?

Protect adjacent surfaces from splashes and remove any FEBOND BLUE GRIT before drying with warm soapy water. Allow to dry thoroughly before applying plaster (usually 24 hours minimum). NOTE: drying time will be significantly extended at low temperatures.

What is scrim tape?

What is scrim tape? Basically, it’s a self-adhesive tape made of a firm, open-weave fabric, and one of the most commonly used plastering supplies.

Can you skim on tiles?

Well-Known Member. The question in this thread is can you skim over tiles. The answer is yes if you have margins.

Can you plaster over Artex?

Plastering over artex is a very common part of our trade now. Any artex must have a backing (bonding) coat applied first as as skim coat is only 3 mm thick. Once the bonding coat is dry you apply PVA to reduce suction when skimming the top coat. This will give you the desired flat finish.

Can you tile over tiles in bathroom?

So, in short, you can tile over tile as long as you’re working on a fairly sound surface. The surface of the existing tile should be free of mold and mildew, completely level (including grout), and without any warping or strangely-placed tiles that might otherwise interfere with a smooth new layer.

What is bonding agent for plaster?

Plaster bonding agent, designed to provide a mechanical key on smooth, lower suction backgrounds prior to plastering. Provides a mechanical key on smooth, lower suction backgrounds prior to plastering.

How do you use thistle bond?

For smooth concrete surfaces, use Thistle Bond-It to provide a key for the Gyproc DriWall Adhesive. Use a roller to apply it in bands where the adhesive will be applied; you will be able to see it while dot and dabbing as it’s green in colour.

What is UniBond Super PVA?

UniBond Super PVA has high bond strength and sets for handling in approximately 30 minutes. Full strength achieved after 24 hours. Dilutes 5:1 Priming Coat. Only BBA accredited PVA on the UK market. Conforms to BS EN 204 Woodworking.