Meet Fire Protection Requirements at a Better Price
Tolko’s Engineered Wood Floor System offers an all-inclusive flooring solution which is considered equivalent to lumber joists in accordance with Exception 4 Section R302.13 of the 2018 and 2015 IRC. The system is designed to not only meet but exceed the expectations of dealers, builders, sub trades and home owners. Backed by transferable warranties for each product, Tolko’s Engineered Wood Floor System sets the bar for performance, longevity and consistency.
Lumber Products
PlywoodPlywood Products
OSBOSB
EWPEngineered Wood
Stud LumberStud Lumber


Dimension Lumber
Plate Stock

T-TEC Rim Board

Thickness Categories: 1-1/4”, 1-1/2”, 1-3/4"
Depths: 9-1/2”, 11-7/8”, 14”, 16”, 18”, 20”, 22”, 24”
Lengths: 16’, 24’
OSB Rim Board

Thickness Categories: 1”, 1-1/8”, 1-1/4”
Lengths: 12', 16', 24'
Note: 1" thickness only available in standard Rim Board (not Plus).
Dim. Lum JoistsDimension Lumber
Floor Joists

T-TEC LSL Stair Stringer

Thickness: 1-1/4”
Depths: 9-1/2”, 11-7/8”, 14”
Lengths: up to 24'
T-STRAND Pro OSB
Stair Tread

Thickness Category: 1"
Lengths: 12', 14'
Widths: 11-1/2"
T-TEC OSB
Premium Flooring

Thickness Categories: 19/32”, 23/32”, 7/8”, 1-1/8”
Lengths: 95-7/8” (8’), 119-7/8” (10’), 143-7/8” (12’)
Widths: 47-7/8” (4’)
T-STRAND OSB
Enhanced and Standard T&G Subfloor

T-PLY T&G Subfloor
Premium, Enhanced, Standard

Imperial Thickness: 3/8”, 1/2", 5/8”, 3/4", 1”
Metric Thickness: 9.5mm, 12.2mm, 15.5mm, 18.5mm, 25.5mm
ULAY Premium Underlayment

Imperial Thickness: 3/8”, 1/2", 5/8”, 3/4", 1”
Metric Thickness: 9.5mm, 12.2mm, 15.5mm, 18.5mm, 25.5mm
T-TEC LSL Joists

Thickness Categories: 1-1/2”
Depths: 9-1/2”, 11-7/8”, 14”, 16”
Lengths: 12’, 14’, 16’, 18’, 20’, 22’, 24’
T-TEC LSL Wall Framing
Thickness: 1-1/2”, 1-3/4”
Depths: 3-1/2”, 5-1/2”, 7-1/4”, 9-1/4”
Lengths: 8’, 10’, 12’, 14’, 16’, 18’, 20’, 22’, 24’
Available with Zinc Borate treatment

T-TEC LSL
Plate Stock
Available with Zinc Borate treatment
LSL CFTolko LSL

Thickness: 1-1/4"
Depth: 3-1/2" to 24"
Length: 16'
T-STRAND OSB Webstock

View the complete diagram for residential and commercial construction.















