BITUMEN TROWEL MASTIC (Spirit-based) - 5L
Black Bitumen TROWEL MASTIC (Spirit-based / Fibrous Blackjack): 5 Litre Tin
Bitumen Trowel Mastic is a trowel applied multi-purpose Bitumen Mastic for waterproofing, stopping, bedding, bonding, painting and sealing; Everbuild Mastic is suitable for sealing and filling holes in roofing felt, mastic asphalt, corrugated iron, cast iron, fibre-cement roof sheets, slates, lead, copper, tin, zinc, concrete, timber, metal guttering and downpipes.
BituMastic is a black heavily filled blackjack type bituminous compound with added fibres for reinforcement. The product forms a surface skin, but the mass below remains soft to allow for moderate movement.
Preparation: Ensure that the surface is clean and dry. Remove any moss or lichen etc. To inhibit regrowth treat with Fungicidal Wash and allow to dry. If the surface is dusty, treat with MultiPrime penetrating bitumen primer, and allow to dry. To assist apllication in cold weather, store the MultiMastic in a warm room overnight prior to use.
Application: Use a steel trowel or putty knife and press trowelling MultiMastic firmly into cracks and holes. Finish with a band 25mm wide x 3mm thick along the length of any cracks. Felt: Re-adhere loose felt, especially flashings with MultiStick Felt Adhesive and then seal joints with bitumen MultiMastic. Corrugated Roofing Sheets: Bed and seal all loose fixings, screws and washers in flexible MultiMastic. Cracks can be repaired, and side and end laps sealed using strips of open-weave glass-fibre or polyester-membrane bedded in a layer of blackjack MultiMastic with covering layer. Tiles: Point up butt-ends of ridge-tiles, fillets and slates with trowel-applied MultiMastic. Metal Roofing Sheets: Bed and seal all loose fixings, screws and washers in flexible MultiMastic. Cracks and pinholes can be repaired, and side and end laps sealed using strips of open-weave glass-fibre or polyester-membrane bedded in a layer of blackjack MultiMastic with covering layer.
Ensure good ventilation during application and drying of the coating.
Drying times will vary depending on weather conditions and film thickness.
Application temperature limit between 5º and 40º C.
Storage life 12 months in original unopened container.
Clean tools with parafin (kerosene) or white spirit.
- 1Kg covers 625 cubic centimetres;
- 1 Litre can cover 0.3 - 0.5 square metres without major defects at 2 to 3mm thickness;
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Payment & Delivery
We can now take Debit Card, BACS, Cash, Cheque or Credit Card payment online for 5L Bitumen Trowel Mastic (there is a 3% bank charge for credit cards) -
DELIVERY of 5L Bitumen Trowel Mastic on our van, in Blackburn, Lancashire & the North-West, from £5 +vat, or £1 +vat per mile - poa; (from £30 Manchester, £35 Lancaster, £45 Liverpool, £60 Leeds, all +vat)
The approximate weight of a 5L tin of Everbuild Bitumen Trowel Mastic is 7.5Kg, with packaging;
CARRIER DELIVERY of Bitumen Trowel Mastic is not possible.
Bitumen Products may not be taken if classified as Hazardous; ( Zone A mainland - poa other zones)
(Please tell us the post-code for your enquiry so that we can quote for delivery.)
Please phone us at JAS Timber Merchants with any enquiries on 5L Bitumen Trowel Mastic - 01254 54000
E. & O.E. see T&C - We do try to keep prices and specifications of Bitumen Trowelling Mastic correct, but mistakes can be made!