Kreg Jig HD - Manual (Page 4)

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Applications Applications
International Residential Code Guardrail Requirements
Whether manufactured or site-built, guardrail systems must be constructed
and installed to meet International Residential Code (IRC) live-load
requirements. To be compliant, guardrails must withstand a 200-lb. load
applied in any direction. Compared to manufactured guardrail systems,
site-built guardrails constructed of typical dimensional lumber are not as
easy to build with certainty that the live-load requirement is met. The Code
sets performance standards but does not provide proscriptive detailing for
guardrail design. It is the responsibility of the designer, builder, and local
code offi cial to verify if a given guardrail design meets the requirements.
Guardrail connections of the three styles shown here, constructed using the
Kreg Jig
® HD and Kreg Jig ® HD Screws, meet the live load requirements
specifi ed in the IRC. (Testing covers only the connection of railing members
to posts, not the connection of the posts to the deck structure.) To meet
requirements, builders must execute these connections exactly as shown and
use only structurally sound materials. Materials with splits or excessive knots
must not be used.
Guardrail materials and fasteners are exposed to the weather and are
subject to degradation over time. It is the homeowner’s responsibility to
periodically inspect the guardrail and perform any maintenance required
to ensure continued compliance with IRC live-load requirements.
Style 1 Style 2
Style 3
Holes drilled with
Kreg Jig ® HD ®
centered on workpiece.
2x4 rail on
edge attached
to 4x4 post
2x4 rail fl at
attached to
4x4 post
4x4 post
attached to
2x6 rail
Pocket-holes drilled
on outside face.