Installation Guide
DESCRIPTION
Mapesil T is a professional-grade, 100%-silicone sealant for use on multiple
substrates. This product is specifically formulated for heavy traffic and
expansion/movement joints exceeding both ASTM and ANSI standards.
FEATURES AND BENEFITS
• Color-matched to MAPEI’s color palette
•
F
ormulated to a low sheen to match the gloss of grout joints
•
R
ated for heavy-traffic and expansion/movement joints
•
1
00% silicone for use in interior, exterior, wet and dry installation
s
f
rom Res 1 to 6 and Com 1 to 6 as detailed per TCNA Environmental
Classifications
•
E
xcellent elongation and flexibility for use in both change-of-plan
e
and joint applications in tile or stonework
• C
an be used in pools and spa
s
• H
elps to prevent mold and milde
w
INDUSTRY STANDARDS AND APPROVALS
• ASTM: Meets C920, Type S, Grade NS, Class 25, Use T1, T2, NT, I, M,
G, A and O, and conforms to C794 adhesion properties (#23 Clear color
meets ASTM C920, Type S, Grade NS, Class 50, Use NT
)
• T
CNA: Meets EJ171 requirements for heavy traffic and expansion/
movement joints
LEED v3 Points Contribution
L
EED Points
MR Credit 5, Regional Materials* .......................................Up to 2 points
IEQ Credit 4.1, Low-Emitting Materials –
Adhesives & Sealants
.....................................................................1 point
IEQ Credit 4.3, Low-Emitting Materials – Flooring Systems ..........1 point
*
U
sing this product may help contribute to LEED certification of projects in the
categories shown above. Points are awarded based on contributions of al
l
pr
oject materials.
WHERE TO USE
• Interior/exterior residential and commercial installations from Res
1 to 6 and Com 1 to 6 per TCNA Environmental Classifications
•
A
s a flexible barrier/filler between horizontal/vertical surfaces and any
other changes of plane
•
E
xpansion joints in non-traffic, normal-traffic and heavy-traffic areas
•
C
ountertops, vanities, sinks, bathtubs, showers, steam rooms, pools,
spas, backsplashes and fixtures
LIMITATIONS
• Application temperature range is 40°F to 90°F (4°C to 32°C).
•
M
apesil T may stain porous materials. Test a small area for staining o
r
l
eaching before use to ensure compatibility with such porous material
s
as natural stone.
•
M
apesil T should not be used in areas where material may come in contact
with plasticizers or other materials that will prevent or diminish adhesion.
•
D
o not use Mapesil T for structural glazing.
100%-Silicone Sealant for
Heavy Trafc and Movement
Joints
Mapesi
l
™
T
Mapesi
l
™
T
Version: May 13, 2016