WALLS

WALLS

1. Types

   • Solid
     • Pros
       • Single consturction material
       • Provides Thermal mass
       • Good sound barrior high density
     • Cons
       • Water penetration
       • Insulation either internal or external
   • Cavity
     • Pros
       • Seperation of leafs weather proof outer leaf strucural inner
       • Provides a space for Insulation
       • Thermal barrior
     • Cons
       • Potential for different tpyes of materials
       • Leaves require to be tied together
       • Potential for cavity to be bridged Wet or Cold

2. Wall Ties

   • Stainless Steel
   • 225 mm around openings
   • 450 mm HZ 900 mm Vrt

3. Openings

   • have Lintel above
   • 150 mm nominal end bearing
   • Insulated with DPC
   • Cavity Trays above Bridged cavitys
   • Cavity Closers around openings

4. DPC

   • Impermiable
   • 150 mm MIN above GL
   • On each leaf
   • 100 mm lap joints taped
   • tied into DPM on internal leaf

5. Weep Holes

   • Every 4th Perp end
   • Min 2 above openings
   • Spaced 900 mm

6. Insulation

   • Minimum Cavity 50 mm
   • Minimum Residual Cavity 50 mm
   • Fully Filled cavity
   • Partial Fill Cavity
   • Materials
     • Rock wool
     • Ridgid Foam batts

7. Material sizes

   • Brick
   • Block

8. Bonding

9. Pointing Finishes

10. Servives Through

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