arrow insulation & Energy Solutions logo

Installers Evidence

Cavity Wall Insulation Required Photos:

PRE: 

• Front Door
• All elevations photos

Installation – MID:

• Installation pictures showing insulation in progress (nozzle in wall) – ALL elevations 
• Full drill hole pattern, not just one drill hole 
• Brush between party and main wall (even if detached) 

Installation – POST:

• External installation photos of showing all elevations (minimum 3 per elevation) 
• Filled drill holes & drill pattern 
• Any core vent, if installed 
• Ventilation grills 
• Brushes installed at air bricks 

Loft Insulation Required Photos:

– PRE: 

• All loft space photos (must cover all 4 corners and full loft space) 
• Loft insulation depth showing against a measuring tape 
• Hatch and ladder photos 
• Front Door

Installation – MID:

• Installation pictures; laying loft roll showing whole space (i.e. several photos) 
• Evidence of cross insulation (one layer horizontally laid, one layer vertically) 
• Hatch insulation during installation

Installation – POST:

• Installation photos showing depth against a measuring tape 
• Warning signs photo 
• Hatch insulation photo – insulated hatch or insulation attached to loft hatch 
• Full image of loft hatch 
• Draught seal photo around hatch 
• Insulated loft space (whole space, all 4 corners) 
• Insulated water tank photo if applicable 
• Crawl/walk board photos 
• Any ventilation ducts / pipes / grilles etc