The aluminum foil attach with butyl rubber consists of backing. And coat with strong butyl mastic glue. The protected by white or blue LDPE liner. In particular, it is a perfect self-adhesive sealing tape. Especially, suitable for sunshine room roof or ceiling waterproof, to seal the gap of roof and windows, also can seal the pipes, and cars. Thus, it is an ideal tape for leak repair. Additionally, we guarantee 99% of the moisture leakage is applicable. While apply this tape, please ensure the surface is firm, clean and oil free.

Therefore, the tape is importance part in building & construction industries.

Butyl Foil Tape Specifications

Product Characteristics

Performance Data

Test Method

Total Thickness

1000 mic(39.4 mil)

ASTM D1000

Foil Thickness

200 mic (7.9 mil)

ASTM D1000

Peel Adhesion

50 N/25mm (180 Oz/In)

PSTC-101/ASTM D3330

Tensile Strength

75 N/25mm (17 Lb/In)

ASTM D1000

Elongation at Break


PSTC-131/ASTM D3759

VOC Content


Service Temp.

-40 ~ 120℃(-40 ~ 248 °F)

Operating Temp.

0 ~ 40℃(32 ~ +104 °F)

Features of Butyl Foil Tape

Butyl rubber & aluminum laminated backing

Coated with aggressive butyl mastic adhesive

Protected by white or blue LDPE liner

With low VOC content

Excellent moisture and vapor resistance

Conform well to uneven surfaces

Quick dry and high adhesion

Efficient and quick repairs to roof and pipes

Process of Butyl Foil Tape Production

First, we will use different thickness of dead soft pure aluminum foil or woven foil backing, then coat with high adhesion butyl rubber mastic adhesive. The total thickness can be 1mm, 1.5mm, 2mm, 3mm, etc.

Second, we laminate the white or blue LDPE liner onto the backing material.

Finally, we use our lathe slitting machines to cut the jumbo rolls to different standard or non standard width and length of small rolls.

FAQ of Butyl Foil Tape

What is Butyl foil tape?

The foil attach with butyl rubber consists of backing. And coat with strong glue & PE liner.


What is butyl foil tapeused for?

Roof or ceiling waterproof, pipe wrapping. Seal ducts, sheet metal. Leak repair.


What temperature should you apply butyl tape?

Normally 0-40 Celsius degrees.


How long does it take for butyl to dry?

Normally at least 2 days.


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