better specifying - roof design: a checklist for specifiers #perfectroof
TRANSCRIPT
Better specifying – a checklist for
specifiersRoss Finnie
Sales Director SIG Design & Technology
8 steps to a #PerfectRoof
When a roof is not perfect
3 key stages to identify information required to select appropriate specifications
14 questions to identify the waterproofing system
Stage 1: Employers requirements & considerationsQuestion 1: Durability and design life
Stage 1: Employers requirements & considerationsQuestion 2: Guarantee period
Stage 1: Employers requirements & considerationsQuestion3: Sustainability
Stage 2: Design factors – Architectural considerationsQuestion 4: Aesthetics
Stage 2: Design factors – Architectural considerationsQuestion 5: Structure
Stage 2: Design factors – Architectural considerationsQuestion 6: Drainage
Insulation:-Need to considerVast Range of:-Manufacturers
Stage 2: Design factors – Architectural considerationsQuestion 7: Insulation and U-Values
Rockwool
Thickness availability compared to u value
requirements
Acoustic performanc
e
Compatibility with adjacent
layers
Different application
methodologies
Single layers or multi-layer
coordination with
upstand heights
cost
availability (especially after the fire in
Germany)
KnaufKingspan
Recticel
CelotexRockwool
Ecotherm
QuinthermXtratherm
Types
PIR- Polyisocyanurate
EPS – Expanded Polystyrene
XPS – Extruded Polystyrene
Facings
Foil Facin
g
Tissue FacingUn-faced
Cold Roof
Warm Roof
Inverted Roof
Construction TypesBallasted
BondedMechanically
Fixed
Applications
Vacutherm
Flat
Tapered
Board Types
Stage 2: Design factors – Architectural considerationsQuestion 8: Upstand heights
Stage 2: Design factors – Architectural considerationsQuestion 9: Interfaces with other elements
Stage 2: Design factors – Architectural considerationsQuestion 10: Cost
Stage 3: Main contractor considerations – how will it be installed?Question 11: Programming
Stage 3: Main contractor considerations – how will it be installed?Question 12: Sequencing
Stage 3: Main contractor considerations – how will it be installed?Question 13: Protection
Stage 3: Main contractor considerations – how will it be installed?Question 14: Cost
#PerfectRoof
3 key steps – 14 questions
Pick up your checklist now!