Simpson HDU4-SDS2.5 10-15/16" Predeflected Holdown w/Screws Painted Wood Deck Screws Flexible design: #9 Roofjack size

Flexible design: #9 Roofjack size fits pipe sizes from 9" – 20”

Drill hole to specified embedment depth and blow clean using compressed air

Designed to resist uplift and overturning forces in wood-frame construction

offering the strength needed for demanding structural projects such as decks

the hanger requires four 2" fillet welds along the sides of the top flanges and (6) joist nails to achieve a download of 1

Simpson HDU4-SDS2.5 10-15/16" Predeflected Holdown w/Screws Painted Wood Deck Screws Flexible design: #9 Roofjack sizeSimpson Strong Tie HDU Holdowns are pre deflected to virtually eliminate deflection under load due to material stretch. The Strong Tie HDU4 SDS2. 5 pre deflected holdown is installed with Simpson Strong Drive SDS heavy duty connector screws which are included with the holdown. Need more corrosion resistance? See the Hot Dip Galvanized HDU4. HDU Special Features Holdown designs virtually eliminate deflection due to material strech. Uses Strong Drive