QuietJoint comes coated on either 2 sides (SHH) or 3 sides (SHG).
SHH (two-sided silicone) is ideal for gaps between opaque or solid
partitions, walls or mullions.
SHG (three-sided silicone) is typically used to fill gaps between the glass
of curtainwall or windows on one side and solid substrates on the other. The
third coating aesthetically covers the foam core so that the foam is not
visible from the outside through the glass.
QuietJoint is supplied in full-story, 10-foot (3-meter) lengths, and
is shipped in loosely laid coils inside a cardboard box.
The material is sized to be approximately 10% larger than the field-measured
Being careful not to stretch it, the material is laid out and cut to the
Quietjoint is positioned over the joint opening and squeezed by hand to ease
it into the joint.
The silicone coating folds at its edges to absorb slight variations in
substrates while maintaining a smooth appearance.
Once in desired location, a plastic putty knife is used to tuck the edges of
the silicone against the substrates to remove any wrinkles.
internal backpressure of the material mates it to the mullion or other joint
QuietJoint helps to
control HVAC balance and energy loss between rooms
The R-value of QuietJoint foam
is R-2.848/inch of depth.
Depending on the joint size and related depth, the R-value of the material
side of joint)
sides of joint)
4.75" with 2" depth
(12mm to 120mm with 50mm depth)
to 6" wide with 3-inch depth
(125mm to 150mm with 75mm
*Assumes installation from
both sides of the wall thereby doubling the R-value. The inclusion of an air
gap between the two pieces of QuietJoint will add additional insulation,
effectively more than doubling the R-value.
laboratory tested to ASTM C518-04 "Standard Test Method for
Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter
Click here for the
independent laboratory test report* (.pdf)
*QuietJoint testing designation as