What is the purpose of a riser valve and when should it be installed?
Proper fastening of the wall plate is the foundation of a safe and durable roof structure. At Onninen, as a leader in the installation market, we advise professionals daily on choosing the right solutions for anchoring truss elements. Our many years of experience show that the correct selection of threaded rods for the wall plate is a decision that affects the safety of the entire building for decades.
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