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5 Litre ROOF Bitumen Primer

£9.9£99Clearance
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If the primer is used for gluing layers of material, wait for the first layer to dry for 4 - 5 hours, then apply a layer of glue.

TECHNICAL DATASHEET - CROMAR BUILDING PRODUCTS

Emulsion the solution is distinguished by a low degree of ignition; it is used near sources of open fire. This specification covers asphaltic primer suitable for use with asphalt in roofing, dampproofing, and waterproofing below or above ground level, for application to concrete, masonry, metal, and asphalt surfaces.

Packing of bitumen primer D 41

Bitumen Primer is a quality grade, highly penetrative, bituminous solution for priming surfaces prior to the application of bituminous materials, self-seal membranes and flashing tapes. Heavy duty formula making it suitable to prime concrete roofs and floors, cementitious screeds/renders, bitumen felt, weathered bitumen, mastic asphalt, weathered, corrugated iron and steel.

Bitumen Primer | Bitumen Primer Waterproofing | Drainage

There are special varieties for different materials, the composition is selected taking into account the adhesion of the upper layers of the surfaces to be joined. RoofingASTM D41, 2005 Edition, February 1, 2005 – Standard Specification for Asphalt Primer Used in Roofing, Dampproofing, and Waterproofing There are no other inclusions or inhomogeneous impurities; toxic substances, for example, toluene, are not used for manufacturing. Unleaded gasoline does not contain lead additives, which ensures its environmental friendliness. In Russia, only such types are sold at gas stations. Terms of use Surface moisture should not exceed 15% the top layer of the treated surface is reinforced base for the subsequent laying of the finishing or intermediate layer;

Bostik Flashband Primer Black 500ml - Screwfix Bostik Flashband Primer Black 500ml - Screwfix

The integrity and effectiveness of subsequent layers depends on the quality of the first priming. The surface is cleaned of debris, in the rainy season remove moisture from the roof. A bitumen-based primer will harden and adhere to a wet roof, but it is better if there is less free moisture. Cleaning touches the snow, ice.If the pollution happened recently and the soil has not frozen, you can do without chemistry. It is necessary to remove the substance with a scraper, then rinse with soapy water. You can use a thinner white spirit, gasoline. For roofing use bituminous and emulsion-bituminous primers. Impregnation is applied directly to the prepared base to strengthen the top layer. During the drying process, the particles push moisture out of the pores and fill the gaps. After hardening, the plane of the slope does not absorb moisture, it is ready for applying mastic and gluing a reinforcing mesh. The soil is applied in any weather, limitation for use is surface moisture more than 15%. It is difficult to apply the solution on vertical walls and other planes, since it flows down. The first method is to soak a brush or roller in a solution and roll it out on a plane. Otherwise, the solution is poured from the container onto the surface in small portions at some distance. After that, the tool is leveled with a tool until the entire area is completely covered. Apply by brush or roller. Using a brush, scrub the primer into the surface. Ensure that only a thin coat is applied and that there is no pooling. Priming should extend at least 75mm beyond the area to be waterproofed. Leave to dry for 2­-3 hours before continuing with further work.

Cromar Bitumen Primer Black 5L - Builder Depot Cromar Bitumen Primer Black 5L - Builder Depot

There is no need to choose between the two materials as they complement each other. After priming the base, you can apply a mastic for gluing the reinforcing glass fabric. Varieties of bituminous primers molten resin is mixed into a container with gasoline in small portions (if you add it immediately, the gasoline will ignite);

What is bitumen primer?

If the construction or finishing conditions do not require the use of a highly specialized composition, a universal version of a bituminous liquid is used. The primer is ideal for low pitched roofs, road construction and underground applications.

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