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🖤 Prime it right, seal it tight – the pro’s choice for flawless roofing!
The 5 Litre ROOF Bitumen Primer is a fast-drying, black primer designed to prepare a variety of porous and non-porous surfaces—including concrete, metal, wood, and asphalt—for bituminous coatings and flashing tape systems. Offering coverage of 6-10 square meters per litre, it ensures efficient application and strong adhesion, making it an essential base layer for durable, weather-resistant roofing projects.
| ASIN | B07BTWH2FC |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 54,080 in DIY & Tools ( See Top 100 in DIY & Tools ) 38 in Roof Coatings & Paints |
| Colour | Black |
| Coverage | 6-10 square metres per litre |
| Customer Reviews | 4.4 4.4 out of 5 stars (275) |
| Date First Available | 30 Mar. 2018 |
| Finish | Flatt / Matte |
| Included Components | Brush |
| Item Package Quantity | 1 |
| Item Weight | 4.56 kg |
| Manufacturer | MB |
| Manufacturer reference | 9BPRI00500 |
| Part Number | 9BPRI00500 |
| Product Dimensions | 17.8 x 17.8 x 23.2 cm; 4.56 kg |
| Size | 5 l (Pack of 1) |
| Special Features | Fast-Drying |
| Usage | priming porous surfaces before applying bituminous coatings Exterior |
| Volume | 5 Litres |
R**N
Good product
In August 2019 I coated my clean flat roof with one coat of your primer which was easy to use and gave good coverage. When dry this was covered with a coat of your Bitumen roof sealer which you state conatisns fibre glass to allow it to be pliable without splitting. Unfortunately since December 2020 the bitumen sealer has split in numerous placec and twice brought down the kitchen ceiling. I believed the leak was coming from where the tiled roof met the flat roof and used Flashband to seal where I belived the leak was, for I did not believe it could come through your product. I repaired the ceiling and was horrified when it leaked through again when we had the next heavy rainfall. The ceiling is now down for the third time. I only wished to carry out a temporary repair for 18months until I could afford to have the whole roof replaced with a one piece Firestone rubber membrane at a cost of just under £4000. The flat roof is 9metres x 7metres in area. I have had, this week, a roofing specialist carry out a temporary repair and now have most of the ceiling to repair again. I have wasted my time and money on your product that does not do what you says it does. I had purchased 3 x 25 litre tins and 3 x 5 litre of primer.
M**T
Good price
Good product,good guality thanks
W**Z
easy to use
this primer went on easily, I poured a little on out of the tin straight onto the felt and then spread it wih a six inch roller, repeated the process til covered. Goes a long way and gives a good coat.
Y**R
Super Bitumen Primer 5L
Excellent first class product. Used this on my flat roof (34 square meters) prior to using All weather Bitumen Compound. Covered my roof easily , with some left over. It goes on a treat, incredible really. Easily applied with a roller and a doddle to do. Delighted with it
B**R
good stuff
I have never had a problem with this in all the years i have used this
J**P
Brilliant!
This is a great item! Goes on easily. Really does the job. Was quoted £6000(yes, £6k). This has done a better job! Highly recommend!
N**F
Messy
Messy to apply. Could do with being recommended something to clean my brushy with advert application. Appears to be doing the job.
S**R
Got to be the best.
Used to prime my garage roof which was becoming a bit porous and leaky in places. Put on 2 coats leaving 24 hrs between them. Ended up with a great prepared surface for the Bitumen to go on top. Now have a good looking waterproof roof.
Trustpilot
3 weeks ago
3 days ago