Installation Guide

INFINITY TECHNICAL GUIDE
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11.8 Installation: Stair Tread
●Takemeasurementofthewidthofthestairs.
●CutStairTreadboardtothedesiredlengths.
●Useaminimumofthreefastenersateverystringer,nomorethan1½”fromtheedgeoftheboard.Seediagramaboveforfastener
spacing.
●StairTreadoverhangvariesfromstatetostate,Consultlocalbuildingcodesbeforeinstallation
●NOTE: It is important to pre-drill at a 90 degree angle to prevent mushrooming or cracking.
Stair Tread
8” Fascia/Riser
2” x 12” Stringers
12” Fascia
1½”minimum
1½”minimum
1½”minimum
(1.18” x 12.8”)
1½”fromboardedge