roof restoration presentation
TRANSCRIPT
Getting the Most Out of Getting the Most Out of Your Roof AssetYour Roof Asset
Roof Work OptionsRoof Work Options• Patch and Repair? Patch and Repair? • Maintain?Maintain?• Replace?Replace?
Roof Work OptionsRoof Work Options• Age of roofAge of roof• Type of roofType of roof• Type of insulationType of insulation
– moisture contentmoisture content• Age of BuildingAge of Building• Space usageSpace usage• Needs of building ownerNeeds of building owner
Roof Work OptionsRoof Work Options• Roof showing signs of agingRoof showing signs of aging
– exposed feltsexposed felts– blueberriesblueberries– deteriorated base flashingsdeteriorated base flashings
• Good workmanship during original Good workmanship during original constructionconstruction– not leaking excessivelynot leaking excessively
Roof RestorationRoof RestorationA Low Cost Alternative To A Low Cost Alternative To
ReplacementReplacement
Wet InsulationWet Insulation• Wet Insulation Does Not Insulate Wet Insulation Does Not Insulate
and Can Cause Structural Damage and Can Cause Structural Damage to the Deckto the Deck
• A Non-Destructive Scan of Roof A Non-Destructive Scan of Roof May Be Needed to Locate Wet May Be Needed to Locate Wet AreasAreas
Roof Work OptionsRoof Work Options Restoration / Refurbish Restoration / Refurbish• Identification of weak or defective Identification of weak or defective
elements that require attentionelements that require attention• Infrared Thermal ScanInfrared Thermal Scan• Replacement of wet insulation / Replacement of wet insulation /
membranemembrane• Reinforcement of membrane Reinforcement of membrane
flashingflashing
Roof Work OptionsRoof Work Options Restoration / Refurbish Restoration / Refurbish• Parapet or wall waterproofingParapet or wall waterproofing• Correcting roof drainageCorrecting roof drainage• Repair of membrane defectsRepair of membrane defects
– blistersblisters– ridgesridges– splitssplits
• Re-working and / or re-sealing metal Re-working and / or re-sealing metal counter flashingcounter flashing
Roof Work OptionsRoof Work Options Restoration / Refurbish Restoration / Refurbish• Resaturation of roof membraneResaturation of roof membrane• RegravelingRegraveling
Removal of Wet InsulationRemoval of Wet Insulation
Roof RestorationRoof RestorationInvolves:Involves:• Removal of loose gravel and debrisRemoval of loose gravel and debris
Roof RestorationRoof RestorationClose-up Of Felt / LinesClose-up Of Felt / Lines
Roof RestorationRoof RestorationInvolves:Involves:• Reinforcement and repair of anomaliesReinforcement and repair of anomalies
Roof RestorationRoof RestorationInvolves:Involves:• Reinforcement of perimeter and projection flashingReinforcement of perimeter and projection flashing
Roof RestorationRoof RestorationInvolves:Involves:• Reinforcement of perimeter and projection flashingReinforcement of perimeter and projection flashing
Roof RestorationRoof RestorationInvolves:Involves:• Installation of new waterproofingInstallation of new waterproofing
Roof RestorationRoof RestorationInvolves:Involves:• Installation of new waterproofingInstallation of new waterproofing
Roof RestorationRoof RestorationRestoration CompletedRestoration Completed
Roof Work OptionsRoof Work Options Restoration / Refurbish Restoration / Refurbish• Insulation and most of the felts Insulation and most of the felts
have never seen daylighthave never seen daylight• Almost like newAlmost like new• Original roof installation was goodOriginal roof installation was good
(Please see flipchart)(Please see flipchart)
Roof Work OptionsRoof Work Options Restoration / Refurbish Restoration / Refurbish• Not all roofs are good candidates Not all roofs are good candidates
for roof restorationfor roof restoration• Certain criteria must be metCertain criteria must be met
Roof Work OptionsRoof Work Options Restoration Key Factors Restoration Key Factors
• Insulation conditionInsulation condition• Type and thickness of Type and thickness of
insulationinsulation• # of plies# of plies• Lamination between Lamination between
pliesplies• Amount of top pourAmount of top pour• Condition of feltsCondition of felts
– moisturemoisture– rottingrotting– shrinkingshrinking
• Type of feltsType of felts• Historical - leaksHistorical - leaks• Quantity of anomaliesQuantity of anomalies• AgeAge• Flashing type / conditionFlashing type / condition• Number / type of Number / type of
projectionsprojections• Roof TrafficRoof Traffic• Use of building - R-valueUse of building - R-value
Roof Work OptionsRoof Work Options Restoration Restoration• Typically 1/3 to 1/2 the cost of roof Typically 1/3 to 1/2 the cost of roof
replacementreplacement• ‘‘Good bang for your buck’Good bang for your buck’