Description
Easy to extrude and tool.
High movement capability: ±25 % (ISO 9047), ±50 % (ASTM C719).
Low stress on substrate due to the low modulus of the sealant.
Usage
The Product is used for elastic joint sealing and weatherproofing of movement and connection joints in building envelopes. Sikaflex® Construction Purform® is used for the following application areas:
Around window and door frames.
Around facade elements.
Around precast elements.
EIFS facades.
Sikaflex® Construction Purform® is used for interior and exterior applications.
Advantages
Easy to extrude and tool.
High movement capability: ±25 % (ISO 9047), ±50 % (ASTM C719).
Low stress on substrate due to the low modulus of the sealant.
Good resistance to weathering.
Good mechanical resistance.
Good adhesion to many construction materials.
Monomeric diisocyanate content < 0.1 %: no user safety training needed (REACH restriction 2023, Annex XVII entry 74).
ENVIRONMENTAL INFORMATION
Contributes towards satisfying Indoor Environmental Quality (EQ) Credit: Low-Emitting Materials under LEED® v4.
VOC emission classification GEV Emicode EC1plus.
APPROVALS / STANDARDS
VOC Content SCAQMD Rule 1168, Sikaflex® Construction Purform®, eurofins, Test Report No. 392-2023-00524602_XG_EN.
VOC EMISSION M1, Sikaflex® Construction Purform®, eurofins, Test Report No. 392-2022-00437201_I_EN.
Product Declaration
EN 15651-1:2012
F EXT-INT CC 25 LM
ISO 11600:2002
Class F 25 LM
ASTM C 920-18
Movement Class 50
Chemical Base
Sika® Purform® polyurethane
Shelf Life
15 months from date of production.
Storage Conditions
The Product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +30 °C. Always refer to the packaging.
Refer to the current Safety Data Sheet for information on safe handling and storage.
Density
(1.45 ± 0.1) kg/l
(ISO 1183-1)
