can this be used under a corrugated tin roof?

I used this in the loft but was told to leave an air gap. So I used this on the main beams leaving a gap behind, then added rock wool insulation between the second layer. It goes without saying my loft is toasty in winter and feels cool in summer. I’d suggest you add batons or some space before putting this on. Single layer will make a big difference, if you add anything else to it then it will make a huge difference

One side looks like aluminium foil, the other is more like a clear membrane. Is there an inside and outside?

I put shiny side in, but from what I remember there was instructions included

hi i have built a shed out 3/2 timber and i have wrapped the foil insulation around the timber and put tongue and groove ship lap in front of it is ok

I presume you refer to the frame as being 3/2 with tongue and groove forming the outer skin of the shed. I used the vapour barrier affixed to the shed frame between the outer wooden walls and the inner tongue and groove, with great success. No problems since installed four years ago. .

Can you use this under vinyl click, my subfloor is concrete, want to prevent moisture and keep warm

I don't see why not I think the material it is made from and the insulating quality would do a good job. I have had the vinyl fitted on concrete and put some laminate insulation, maybe both these combined would do even a better job. I used this to insulate my loft, then added a layer rockwool and another later on top, it has worked a real treat.

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Vapour Barrier and Waterproof Thermal Insulation Aluminium Foil Membrane - Suitable for use in Walls, Floors and Roofs - 1.5m x 50m (75 SQ/M) - 110 G/SM

Product ID: 52289341

Details

Brand
Strotex
Manufacturer
Strotex
Material
Aluminium
Number of Packs
1
Recommended uses for product
Thermal

💧Sd value ~50m for superior moisture control

🌡️Reflective aluminium foil reduces heat loss

🛡️110 g/m² durable membrane

R5087

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Description

🛠️ Seal the deal on comfort and efficiency with Strotex’s ultimate vapour barrier!

VERSATILE INSTALLATION - Perfectly engineered for walls, floors, and roofs—whether timber frame or masonry.
ULTIMATE MOISTURE DEFENSE - EN 13984 compliant vapour barrier with high Sd value to keep condensation and dampness at bay.
CERTIFIED REGULATION READY - BBA tested and UK Building Regulations compliant, ensuring trusted quality and peace of mind.
NEXT LEVEL THERMAL EFFICIENCY - Reflective aluminium surface slashes heat loss, boosting your building’s energy performance.
BUILT TO LAST EASY TO HANDLE - Robust tensile strength combined with lightweight flexibility for hassle-free cutting and fitting.

This 1.5m x 50m aluminium foil membrane offers a high-performance vapour control layer with a 110 g/m² durable build, designed to reduce heat loss and moisture ingress in walls, floors, and roofs. Independently BBA tested and compliant with UK Building Regulations, it combines reflective thermal insulation with superior airtightness and condensation risk reduction, making it ideal for both new builds and refurbishments.

Specifications

ASIN	B016ADKDG6
Best Sellers Rank	215,241 in DIY & Tools ( See Top 100 in DIY & Tools ) 143 in Panel Insulation
Brand	Strotex
Coverage	75 m² per roll, suitable for walls, floors and roofs
Customer Reviews	4.6 4.6 out of 5 stars (672)
Manufacturer	Strotex
Material	Aluminium
Number of Items	1
Number of Packs	1
Recommended Uses For Product	Thermal insulation, moisture protection
Unit Count	1.0 count

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R5087

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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