General guidance only — all construction work must be overseen by a supervising engineer This handbook is compiled from standards and laws with every source cited, andis being reviewed for certification by engineers Use it to know what to look at, what to ask and what evidence to request on site It is not an engineering determination and can't replace an engineer · Terms of use · Limitations of the handbook

Walls and architectural work

Guardrails for balconies, roof decks and openings

Page code P41 · 42 inspection criteria · 3 illustrations

I searched Ministerial Regulation No. 55 for the word “guardrail” and didn't find it once. The term that actually exists is “stair guardrail”, which is in a clause that applies to other types of building and was already covered in stage 30. The result is that Thai law doesn't set the height of guardrails or the gaps between…

This page contains
Searching the Ministerial Regulation for “guardrail” finds nothing — what that means
Balconies — four values to put in the drawings before the tradespeople measure on site
Roof decks and accessible roofs — places nobody thinks need a guardrail
Openings inside the house — three places you can fall from that nobody calls a guardrail
Homes with small children — decisions to make beforehand, not after moving in
Fixing points, items to embed in advance, and documents you must get

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