Sikaflex construction
1-part polyurethane sealant for building joints

Product code : SK41
Price : 269 baht / 300 ml
Using quantity : The joint width must be designed to suit the movement capability of the sealant. In
general the joint width must be > 10 mm and < 35 mm.
A width to depth ratio of ~ 2 : 1 must be maintained.

Storage : Minimum joint width for perimeter joints around windows: 10 mm
All joints must be properly designed and dimensioned by the specifier and the main
contractor in accordance with the relevant standards, because changes are not
usually feasible after construction. The basis for calculation of the necessary joint
width are the technical values of the joint sealant and the adjacent building
materials, plus the exposure of the building, its method of construction and its

Substrate Quality
Clean and dry, homogeneous, free from oils and grease, dust and loose or friable
particles. Cement laitance must be removed.
Sikaflex®-Construction is a one part, moisture curing, elastic joint sealant based on
polyurethane. It is suitable for outdoor applications.

Sikaflex®-Construction is used as a general purpose sealant for sealing joints in
building construction such as movement and construction/isolation joints around
windows and doors, facades, claddings etc. in concrete, brick, wood, metal and
PVC sections and structures etc.
How to apply
Min. width = 10 mm / max. width = 35 mm
The sealing of joints of widths less than 10mm may be possible providing the
sealant remains within its stated movement capability MAF and all joints are
designed in accordance with B.S 6093: 1993.
Technical Data
 Movements capability 25%
 Very good adhesion to many substrates
 Bubble free curing
 Very short cut off string
 Fast, tack free surface
 High tear resistance
Sikaflex construction