Technical Specifications

KP Building Products
Pro-Tuff Vinyl Siding Specifications
Page 2 of 2 August 2016
Heat Shrinkage (ASTM D3679) : <1.9%
Impact Resistance (ASTM D4226):
2.36 in./mil (Procedure A, H.25)
Weatherability (ASTM D3679): No surface or structural defects
such as peeling, cracking, chipping.
Coefficient of Linear Expansion (ASTM D3679):
3.00 x 10
-5
in/in
0
F / 5.10 x 10
-5
cm/cm
0
C
Gloss (ASTM D3679): plus or minus 5 units
Surface Distortion (ASTM D3679): No distortion at 120
0
F
Windload Resistance (ASTM D 5206):
Wind speed up to 181 mph
Design Pressure up to -79 psf
E. Siding Dimensions and Description: (Select Profile)
Pro-Tuff Double 4 Dutch Lap: Double 4” Dutch Lap profile with
Reinforced Cyclone Nail Hem, horizontal siding panel, 8 in. wide
exposure configured as two 4 in. panels, 12ft-6in length.
Pro-Tuff Double 4 Clapboard: Double 4” Lap profile with
Reinforced Cyclone Nail Hem, horizontal siding panel, 8 in. wide
exposure configured as two 4 in. panels, 12ft-6in length.
Pro-Tuff Double 5 Dutch Lap: Double 5” Dutch Lap profile with
Reinforced Cyclone Nail Hem, horizontal siding panel, 10 in.
wide exposure configured as two 5 in. panels, 12ft length.
Pro-Tuff Double 5 Clapboard: Double 5” Lap profile with
Reinforced Cyclone Nail Hem, horizontal siding panel, 10 in.
wide exposure configured as two 5 in. panels, 12ft length.
F. Siding Panel Description:
Thickness: (0.042 in. ± 0.001 in.) with Reinforced Cyclone Nail
Hem
Embossing/Woodgrain: Siding panel to match the sample
provided under section 1.03.
Color: Siding color shall be present throughout the thickness of
the panel. Panels shall be produced using KP’s exclusive Ultra-
Vinyl formulation. Siding color shall be as specified by architect.
Interlock: Siding panels are made with post form style lock with
positive interlock. Both ends of the panel are factory cut and
notched for overlap.
Nail Slots: Elongated nail slots 1" long are spaced approximately
1/2" apart in the nailing hem to allow siding to expand and
contract properly.
Weep Holes: Small holes under the bottom butt prevent vapor
build up and allow accumulated moisture to escape.
2.01 Accessories:
A. Accessories shall be consistent with the shape, size and
properties as shown in the drawing and as required for complete
installation. Color shall be matched or color coordinated to the
siding according the architect's specifications.
Accessories shall be produced from the same compound
materials and with comparable properties as the siding.
2.02 Fasteners:
A. Galvanized nails or other corrosion-resistant fasteners, as
recommended by manufacturer for specific application shall be
used to install the siding.
PART 3 – EXECUTION
3.01 Examination
A. Confirm that all critical dimensions are as specified in the
drawings.
B. Commencement of siding installation implies acceptance of the
substrate as suitable to accept siding.
3.02 Preparation
A. Any substrate flaws or defects must be repaired, and free from
obstructions before the vinyl siding is applied.
3.03 Installation
A. Solid sheathing and a weather resistive barrier shall be provided
behind the siding, as required by the applicable code.
B. Siding is installed with nails driven into furring strips or wall studs
spaced not more than 16 in. on center. The siding fasteners are
corrosion resistant nails with a minimum 11/32 in. diameter head
and a 0.135 diameter shank.
C. Nails shall be long enough to penetrate the nailing base by at
least 7/8 in.
D. Install in accordance with the latest edition of the "Vinyl Siding
Installation Manual" published by the Vinyl Siding Institute.
E. The vinyl siding and accessories shall be installed in accordance
with the best practice. Nails shall be centered in the siding nail
slots with a minimum 1/16 in. clearance between the back of the
nail head and the face of the siding. Nails shall be driven
perpendicular to the substrate.
F. At all openings and stops, a minimum gap 1/4 in., shall be
provided for expansion and contraction. Joints between panels
shall be overlapped a minimum of 1 in., with all joint members
plumb and true.
3.04 Field Quality Control
A. After installation of siding check entire surface for obvious flaws
or defects. Replace and repair any problem areas.
3.05 Cleaning
A. After the vinyl siding has been applied, clean as necessary to
remove all fingerprints and soiled areas.
B. Clean and remove all scrap, packaging and unused materials
resulting from the installation of vinyl products.
All KP Vinyl Sidings and accessories are backed by a Lifetime Limited
Warranty.