Everbuild Black Jack 908 D.P.M (Damp Proof Membrane) – Black – 5 Litre
Pros
- Rubber-enriched bitumen emulsion forms a tough waterproof barrier
- Well-established trade brand widely used for floor and foundation DPM
- Larger 5L tin suits bigger below-ground and floor projects
Cons
- Strong bitumen odour while curing needs good ventilation
How it compares in Damp Proofing & Waterproofing
We list 21 damp proofing & waterproofing products, priced from £4.79 to £59.99. At £35.50 this one is the 19th cheapest of them — 2 cost more. The average across the subcategory is £23.06 and the midpoint is £19.99, so it lands £12.44 above the average.
Its 4.6-star score sits 0.08 above the damp proofing & waterproofing average of 4.52, with 3 of the 21 rated higher. Its 656 Amazon reviews make it the 8th most-reviewed here, against a subcategory average of 557.
Price position in Damp Proofing & Waterproofing
Splitting the subcategory into three price bands puts this product in the Premium band (£31.48–£54.99), which holds 6 of 22 products and averages £42.24 at 4.38 stars.
| Band | Range | Products | Average price | Average rating |
|---|---|---|---|---|
| Budget | £4.79–£13.99 | 8 | £10.47 | 4.61 |
| Mid-range | £14.15–£25.99 | 8 | £19.57 | 4.53 |
| PremiumThis one | £31.48–£54.99 | 6 | £42.24 | 4.38 |
About this product
The Everbuild Black Jack 908 D.P.M (Damp Proof Membrane) – Black – 5 Litre is a robust, multi-functional liquid damp proof membrane designed for serious building projects and professional use. Developed by Sika Everbuild, this odourless rubber-enriched bitumen emulsion provides a highly effective barrier against moisture penetration, making it ideal for below-ground applications, foundations, floors, walls, and concrete structures.
This versatile DPM is suitable for both internal and external uses, offering protection against water ingress across a wide range of materials including wood, plaster, render, concrete, and insulation boards. It’s frequently used by builders, decorators, and DIY enthusiasts tackling larger projects – particularly those involving significant groundwork or damp-prone areas. The 5-litre tin provides ample coverage for substantial jobs, while the larger 25-litre option is available for even bigger undertakings.
The Black Jack DPM acts as both a waterproofer and an adhesive, capable of bonding to various substrates like mosaic panels, expanded polystyrene, and cork. It’s also frequently used as a curing agent for concrete or as a bonding agent when plastering difficult surfaces – demonstrating its adaptability. While the bitumen emulsion creates a tough waterproof barrier, it's important to note that it does possess a strong odour during the curing process; adequate ventilation is therefore recommended. Consider this product if you require a reliable and durable solution for protecting your building from dampness and moisture damage.
Related attributes
FAQ
What is this Everbuild DPM best used for?
This bitumen emulsion DPM is particularly well-suited for use on floors and walls, offering robust water resistance. It’s designed to create a sandwich membrane when applied between substrates, effectively preventing damp penetration into structures like foundations and concrete.
What materials does the Everbuild Black Jack 908 DPM adhere to?
The product can be used as an adhesive on various materials including wood block, mosaic panels, insulation boards, expanded polystyrene and cork. It's formulated for versatile bonding applications across different building substrates.
What size tins are available and what is the volume of each?
This DPM is offered in both 5-litre and 25-litre tins. The 5-litre tin contains approximately 5000 millilitre, making it suitable for medium-sized projects.
What are the key materials used in this product’s formulation?
The DPM is a rubber-enriched bitumen emulsion. This composition contributes to its effectiveness as a waterproofer and provides durability when forming a protective barrier against moisture.
Can I use this DPM for external applications?
Yes, this versatile DPM membrane is suitable for both internal and external use, providing protection from damp conditions regardless of the environment it’s applied to.
How does this Everbuild DPM compare to other similar products around £32?
This Sika Everbuild product offers a robust bitumen emulsion formulation at a competitive price point. Compared to some lower-priced alternatives, it benefits from being a well-established trade brand known for its performance.
What should I do if the DPM has a strong odour while curing?
Due to the nature of the bitumen emulsion, there may be a noticeable odour during the curing process. Ensure adequate ventilation in the work area to minimize exposure and allow sufficient time for the product to fully dry.
What are the dimensions of the 5-litre tin?
The metal tin containing this DPM measures 18 x 18 x 23.5 centimetres, providing a manageable size for various application tasks.
Is there any specific maintenance or cleaning required after applying the Everbuild Black Jack 908 DPM?
Following manufacturer guidelines is crucial; typically, no specific cleaning is needed after full curing. However, ensure the surface is clean and dry before subsequent applications to optimize adhesion.
What kind of water resistance does this product provide?
This bitumen emulsion creates a water-resistant barrier, effectively preventing damp penetration. While it offers good protection, it's important to note that it’s designed as part of a comprehensive damp proofing system rather than a standalone solution.
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