Ultra Prime It

£38.40 Inc. VAT£32.00 Exc. VAT

Prime IT Multi-surface primer is used to prepare the aluminium surface of our EPS & Chipboard Overfloor boards prior to tiling directly onto using Granfix ULTIMATE FLEX tile adhesive.

Applied neat to the entire surface of the board, pipe and any exposed pipe channels – 1 tub = 50sqm.

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£38.40

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PRIME IT - SAFETY DATASHEET PRIME IT - TECHNICAL DATASHEET Prime IT Multi-surface primer must be applied neat to the aluminium surface of Wunda EPS & Chipboard Overfloor boards prior to tiling with Granfix ULTIMATE FLEX tile adhesive. The boards must be secured to the substrate in accordance with our Overfloor installation  instructions, all boards must be clean, dry and all floor heating pipe work laid before priming. DO-NOT fill empty pipe channels with off cuts of pipe - leave exposed. Prime the entire surface of the aluminium, floor heating pipes and any empty pipe channels with a neat coat of Prime IT using a suitable roller, once the primer is dry the tiles can be fixed using Granfix ULTIMATE FLEX tile adhesive. Any empty pipe channels must first be filled with adhesive using a smooth edged trowel before finally applying with a notched trowel to achieve the bed thickness required.   FURTHER INFORMATION AND USAGE INSTRUCTIONS. Prime IT Multi-surface primer (MSP) is a moisture tolerant, water based acrylic primer, sealer and bonding aid, suitable for porous and non porous substrates. Prime IT MSP can stabilise and consolidate the substrate surface and reduce the absorbency enabling subsequent materials to flow, cure and bond successfully. It is recommended for use between layers of smoothing underlayments when multi layer applications are being carried out to minimise pinholes and maximise interlayer adhesion. SURFACE PREPARATION All surfaces must be thoroughly dry and in a sound and stable condition free from contaminants that may hinder adhesion such as dust, oils, grease etc. All laitance and surface treatments must be removed. Smooth dense surfaces must be roughened by mechanical scabbling to enhance the key. Subfloors should be tested in accordance with BS8203 to ensure a moisture reading of less than 75% RH should be achieved. Where this has not been attained or where there is uncertainty that the subfloor design incorporates a Base DPM then a suitable Ultra Floor Epoxy Surface DPM system must be applied. Consult Instarmac Technical Department for further advice. PRIME IT POROUS APPLICATION Prime IT MSP should be applied using a brush or roller and scrubbed well into the surface avoiding pooling. The number of coats required will be subject to the substrate and the following application. See the consumption rates section for general guidance and coverage rates. Drying rates will be directly linked to subfloor absorbency and ambient conditions including temperature and humidity. Always allow to dry to a clear film. Under good drying conditions Prime IT MSP applications will be ready to receive further materials after 1 to 2 hours. SUBFLOOR PREPARATION Tamped or pan floated concrete: These should be treated as porous, and any laitance or weak material should be mechanically removed to ensure a sound, dry and dust-free surface. Apply Prime IT MSP diluted 3:1 with clean water. Cementitious screeds and Industrial Floors The absorbency of these floors/screeds can vary significantly, this is to be asessed by personnel on site. Apply a coat of primer diluted 5 parts water to 1 part primer. Allow to completely dry. Apply a second coat diluted 3 parts water to 1 part primer and allow to completely dry before applying further materials. Note on very absorbent substrates a third coat may be required diluted 3 parts water to 1 part primer. Moisture tolerance Drying time 1-2 hours Internal Floors RECOMMENDED USES Designed to promote the adhesion of Ultra Floor smoothing underlayments to porous and non porous substrates. Existing smoothing underlayments The array of possible smoothing underlayments will vary. Normally a single coat application is needed but check for absorbent as per cementitious screeds and treat as per cementitious screeds. Plywood must be of flooring grade and mechanically fixed to a sound strong base of 15mm thickness and greater. Plywood must be sealed on the underside and along all edges to ensure moisture absorption from beneath is kept minimal. For thinner flooring grade plywood subfloors contact Ultra Floor’s technical department. Plywood absorbency differs depending on the nature of the surface veneer. Normally a diluted coat of Prime IT MSP (3 :1 with clean water) is recommended. Cementitious backer boards These are not usually highly absorbent so a single primer application is suitable. Apply a coat of primer diluted 5 parts water to 1 part primer. Allow to dry completely. Calcium sulphate screed Test subfloor in accordance with BS8203 to ensure a moisture reading of less than 75% RH (65% RH if solid wood flooring is to be installed). In the absence of any other heating any warm water underfloor heating may be used at cutback temperature to give an ambient room temperature of 15°C. Apply a coat of Prime IT MSP diluted 3 parts water to 1 part primer. Allow to dry OVERNIGHT. Apply a second coat of Prime IT MSP diluted 1 part water to 1 part primer and allow to dry typically 1 to 2 hours. The subfloor is then ready to receive cementitious flooring or tiling materials.  

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