Professional Roof Membrane Premium 20 kg
- 100% waterproof, seals the roof with no joints
- Up to 40 years of life, UV and frost resistant
- Easy to apply with a roller or brush
- For felt, fibre cement, concrete, metal and wood
Calculate your price
1 bucket covers up to 13.3 m².
Enter your roof size in m².
covers m²
Choose colour
Free UK delivery in 3 to 4 working days
This calculation is indicative.
Secure payment · Pay in instalments with Klarna
25 year warranty
We stand behind the quality with a 25 year product warranty.
Delivery
Delivered in 3 to 4 working days across the UK.
Easy application
Do it yourself with a roller or brush, no welding.
Liquid silicone roof membrane that forms a seamless and elastic surface without joints. It is 100% waterproof and resists moisture, rain and temperature fluctuations, even in extreme conditions.
Suitable for most roofs and solid surfaces
Roofing cardboard, eternit, concrete, slate, zinc, roofing foil, metal and wood. The membrane is strong and flexible and suitable for all roof types.
Easy to apply
Apply with a brush or roller in one layer. Consumption is approx. 1.5 kg per m², so a 20 kg bucket covers approx. 13.3 m².
Durability and warranty
- Lifespan up to 40 years
- 25 year product warranty
- Resistant from minus 40 to plus 90 degrees
- Enhanced UV protection
Black or white
The white membrane reflects sunlight and lowers the temperature indoors. It is ideal for warehouses in the summer heat.
For both do-it-yourselfers and professionals
Regardless of whether you fix the roof yourself or are a craftsman, you get a durable and effective solution that protects your roof for decades. We are based in Albertslund and deliver our Danish-developed products to customers throughout Denmark.
Occupation: see business prices and pallet offers or order a free test sample. If you are a wholesaler or roofing supplier, contact us and get an offer for larger orders.
All prices are incl. VAT and free delivery.
Technical data and data sheets
Find all specifications and safety information here:
How to apply the membrane
1. Clean the roof thoroughly and let it dry.
2. Repair any cracks and holes.
3. Apply the membrane evenly with a roller or brush.
4. Allow the membrane to harden and the roof is sealed.
Delivery and returns
Delivery across the UK takes 3 to 4 working days and is free, and you get a message as soon as your order is on its way.
Change your mind within 7 days and we pay the return freight and you get the full amount back. You always have 14 days to return unopened products. Contact us and we take care of the rest.
Choose options
See the result
From worn to watertight
Drag the slider and see the difference, before and after the membrane.
Before
After
Our work
More results
Fibre cement roof
Sealed and 100% waterproof.
Flat felt roof
A new seamless surface with no joints.
Felt roof, low pitch
Protected against rain, frost and UV.
Felt roof, low pitch
Watertight and maintenance free.
Garage
Sealed without joints.
Slate roof
Sealed and 100% waterproof.
Roofing membrane sheet
A new seamless surface with no joints.
Hidden leaks start in the joints
The joints are the roof's most exposed point. The membrane seals them seamlessly, without nails, screws or welding.
Do it yourself
Perfect for DIY projects
Quick and easy to apply with a brush or roller, with no special tools and no tradespeople. The membrane sets as one seamless, elastic surface that follows the movement of the roof and stays watertight for decades.
Work out your roof
How much do you need, and what do you save?
Drag the slider to see how many buckets you need, what it costs, and what you save compared with a new roof.
Indicative. Actual use depends on the condition of the roof and the substrate.
Extremely durable roof membrane, built to last
Resistant to UV, weather and mechanical stress. 25 year product warranty.
See it in practice
How the roof membrane is applied
★★★★★ Real customer experiences
What our customers say
★★★★★
I am really impressed with the quality of the Luna Roof membrane. It was easy to apply and the result looks great. Even after heavy rain the roof stays watertight.
Anders Mikkelsen, Aarhus
★★★★★
We chose Luna Roof for our holiday house and we are more than happy. The membrane is clearly robust and the 25 year warranty feels reassuring. A good investment in our home.
Lene Kristiansen, Odense
★★★★★
Really good service and fast delivery. I used the membrane on a renovation project, very easy to work with and it gives a clean, even finish.
Jesper Thomsen, Hillerød
★★★★★
The material is easy to work with. Used it on a terraced house, 136 m² flat roof. Great service, I sent a lot of questions before ordering and they were all answered politely and professionally. Delivery came the day after I ordered.
Per Sandau
★★★★★
For a year I had tried other products to seal cracks in a felt roof. Easy to work with, and now it is fixed.
Alfred Hansen
★★★★★
A really good product that does exactly what it is meant to. I am very happy with my purchase.
Peter Birkvald
Questions?
Frequently asked questions
Delivery across the UK usually takes 3 to 4 working days. You get a message as soon as your order is on its way.
Yes. Our liquid membrane is made for straightforward DIY use. You get a smooth, sealed surface with no welding and no joints.
Yes, as long as the roof is dry and the weather remains dry throughout the drying period. The temperature must be above 5 degrees.
Surface dry after approx. 1 hour at 5 to 30 degrees in dry weather.
Yes. It adheres to roofing felt, eternit, concrete, brick, slate, zinc, metal and wood, both new and old, as long as the surface is clean and dry.
Applied and maintained correctly the membrane lasts up to 40 years. It is UV resistant, flexible and extremely hard wearing.
Yes, a 25 year warranty on the quality and durability of the product. Contact us for the exact terms for your purchase.
Yes, when you buy on a pallet. See prices and pallet offers at business side.
In Denmark we work with professional partners and can quote for both product and application. Elsewhere the membrane is sold for you or your own roofer to apply, and the guide takes you through it.
For trade
Tradesperson or contractor? Buy by the pallet and save
We supply the membrane in pallet packs for larger projects, with volume discounts and fast delivery.
Black is sold out right now
Expected back in stock shortly.
You get 5% off on top, for waiting.
Thanks, we will be in touch
We will email you as soon as Professional Roof Membrane Premium 20 kg is back in stock, along with your discount code.
Expected back in stock shortly.