Bitumen Roof Felt Adhesive – 1L

£9.35 inc. VAT. (£7.79 ex. VAT.)

SKU: RBRA010L Category:

Description

Roof Felt Adhesive is a cold applied, oxidised bitumen based adhesive used to bond roofing felt to most surfaces. Specifically designed for bonding all types of roofing felt to metal, concrete and timber, sealing felt laps and as a cold gritting solution for bonding mineral chippings.

Product specification

Benefits

• High bond strength
• Also suitable for gritting
Areas For Use
• Bonding all types of roofing felts to metal, concrete, roofing felt, wood.
• Sealing roofing felt laps.
• Bonding Chipping’s to final layer of felt.

Limitations

• Do not use in areas where subsequent solvent contact is likely.
• Avoid inhalation of vapours in confined spaces.
• On timber roof structures, the first layer of felt must be nailed down to comply with BS 8217:1994
the second and third layers may be bonded with BLACK JACK ROOF FELT ADHESIVE.
Surface Preparation
Ensure that the surface to be repaired is dry and clean, i.e. free from all loose debris, rust, dirt and
grease. All traces of algae and fungus growth should be removed using a stiff bristled brush. Where
algae and fungi have been present, remove all traces completely and teat the surface with EVERBUILD
FUNGICIDAL WASH in order to kill any remaining spores, thereby discouraging the return of the
growths. Porous surfaces may be primed with a coat of BLACK JACK BLACK BITUMEN PRIMER and
allowed to dry before proceeding.

Application

In general the felt laying techniques employed should be those detailed in BS 8217:1994. BLACK JACK
ROOF FELT ADHESIVE should be brush or mop applied to the surface and left “open” for 15 to 30
Colour Product Code Pack Size Box Qty
Black
90401 1Ltr 12
90402 2.5Ltr 6
90405 5Ltr 4
90425 25Ltr 1
904 ROOF FELT ADHESIVE
TECHNICAL DATA SHEET NO: 904 VERSION: 2/1st APRIL 1999
PAGE: 2 OF 3 DATE OF ISSUE: 4/10/2017
minutes (depending upon drying conditions) in order to develop its full tackiness. The felt should be
placed into the wet adhesive film carefully, rubbing or rolling each section down to ensure maximum
contact with the adhesive and ensuring that all air has been excluded. The felt should then be
weighted down until the felt has adhered to the surface. Whenever possible, the felt should be
unrolled into the adhesive and rolled home with a lighter roller (approx. 25kg).

AS A LAP CEMENT

Laps at the edges should be at least 75mm wide and laps at roll ends should be at least 150mm. Laps
and final edges should be liberally treated on their underside with BLACK JACK ROOF FELT ADHESIVE
and well compacted.

TIMBER ROOFS

On timber roof structures, the first layer of felt must be nailed down to comply with BS 8217:1994 the
second and third layers may be bonded with BLACK JACK ROOF FELT ADHESIVE.
CONCRETE AND LIGHTWEIGHT CONCRETE SCREEDS
As they are often extremely porous, these surfaces will require a priming coat to ensure successful
adhesion of BLACK JACK ROOF FELT ADHESIVE. Prime with BLACK JACK BITUMEN AND FLASHING
PRIMER. It is essential that the primer has completely dried before the first layer of felt is applied.

AFTER CARE

Twenty four hours after laying, check all bonding to ensure that full adhesion has been obtained.
Particularly check all laps if in doubt, press home or roll any felt that appears to be lacking full
adhesion.
AS A COLD GRITTING SOLUTION
BLACK JACK ROOF FELT ADHESIVE is suitable for use as a gritting solution for roofs with up to a 10°
slope. The roof surface should be clean and free from dirt, dust and all loose debris. The surface
should be preferably dry although the product may be applied to damp, but not wet or waterlogged
surfaces. The compound should be spread evenly direct form the container in convenient areas of 20
square metres at a time. Do not allow the film to form a puddle or become too thin. The Chipping’s
should be applied immediately into the wet film. Care should be taken not to over-chip and to ensure
that the Chipping’s cover the film shoulder to shoulder. Proceed to the next area. Leave the
completed surface dressing for at least 72 hours and then lightly brush off any excess chippings. Do
not leave any black film exposed.

CLEANING TOOLS

Tools may be cleaned with paraffin or white spirit. Spillages should be wiped off surfaces before the
adhesive has set.
 

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