Getting the Most Out of Your Roof Asset

Roof Work Options Patch and Repair?Patch and Repair? Maintain?Maintain? Replace?Replace? Patch and Repair?Patch and Repair? Maintain?Maintain? Replace?Replace?

Roof Work Options Age of roofAge of roof Type of roofType of roof Type of insulationType of insulation –moisture content Age of BuildingAge of Building Space usageSpace usage Needs of building ownerNeeds of building owner Age of roofAge of roof Type of roofType of roof Type of insulationType of insulation –moisture content Age of BuildingAge of Building Space usageSpace usage Needs of building ownerNeeds of building owner

Roof Work Options Roof showing signs of agingRoof showing signs of aging –exposed felts –blueberries –deteriorated base flashings Good workmanship during original constructionGood workmanship during original construction –not leaking excessively Roof showing signs of agingRoof showing signs of aging –exposed felts –blueberries –deteriorated base flashings Good workmanship during original constructionGood workmanship during original construction –not leaking excessively

Roof Restoration A Low Cost Alternative To Replacement

Wet Insulation Wet Insulation Does Not Insulate and Can Cause Structural Damage to the DeckWet Insulation Does Not Insulate and Can Cause Structural Damage to the Deck A Non-Destructive Scan of Roof May Be Needed to Locate Wet AreasA Non-Destructive Scan of Roof May Be Needed to Locate Wet Areas Wet Insulation Does Not Insulate and Can Cause Structural Damage to the DeckWet Insulation Does Not Insulate and Can Cause Structural Damage to the Deck A Non-Destructive Scan of Roof May Be Needed to Locate Wet AreasA Non-Destructive Scan of Roof May Be Needed to Locate Wet Areas

Roof Work Options Restoration / Refurbish Identification of weak or defective elements that require attentionIdentification of weak or defective elements that require attention Infrared Thermal ScanInfrared Thermal Scan Replacement of wet insulation / membraneReplacement of wet insulation / membrane Reinforcement of membrane flashingReinforcement of membrane flashing Identification of weak or defective elements that require attentionIdentification of weak or defective elements that require attention Infrared Thermal ScanInfrared Thermal Scan Replacement of wet insulation / membraneReplacement of wet insulation / membrane Reinforcement of membrane flashingReinforcement of membrane flashing

Roof Work Options Restoration / Refurbish Parapet or wall waterproofingParapet or wall waterproofing Correcting roof drainageCorrecting roof drainage Repair of membrane defectsRepair of membrane defects –blisters –ridges –splits Re-working and / or re-sealing metal counter flashingRe-working and / or re-sealing metal counter flashing Parapet or wall waterproofingParapet or wall waterproofing Correcting roof drainageCorrecting roof drainage Repair of membrane defectsRepair of membrane defects –blisters –ridges –splits Re-working and / or re-sealing metal counter flashingRe-working and / or re-sealing metal counter flashing

Roof Work Options Restoration / Refurbish Resaturation of roof membraneResaturation of roof membrane RegravelingRegraveling Resaturation of roof membraneResaturation of roof membrane RegravelingRegraveling

Removal of Wet Insulation

Roof Restoration Involves: Removal of loose gravel and debrisRemoval of loose gravel and debrisInvolves:

Roof Restoration Close-up Of Felt / Lines

Roof Restoration Involves: Reinforcement and repair of anomaliesReinforcement and repair of anomaliesInvolves:

Roof Restoration Involves: Reinforcement of perimeter and projection flashingReinforcement of perimeter and projection flashingInvolves:

Roof Restoration Involves: Reinforcement of perimeter and projection flashingReinforcement of perimeter and projection flashingInvolves:

Roof Restoration Involves: Installation of new waterproofingInstallation of new waterproofingInvolves:

Roof Restoration Involves: Installation of new waterproofingInstallation of new waterproofingInvolves:

Roof Restoration Restoration Completed

Roof Work Options Restoration / Refurbish Insulation and most of the felts have never seen daylightInsulation and most of the felts have never seen daylight Almost like newAlmost like new Original roof installation was goodOriginal roof installation was good (Please see flipchart) Insulation and most of the felts have never seen daylightInsulation and most of the felts have never seen daylight Almost like newAlmost like new Original roof installation was goodOriginal roof installation was good (Please see flipchart)

Roof Work Options Restoration / Refurbish Not all roofs are good candidates for roof restorationNot all roofs are good candidates for roof restoration Certain criteria must be metCertain criteria must be met Not all roofs are good candidates for roof restorationNot all roofs are good candidates for roof restoration Certain criteria must be metCertain criteria must be met

Roof Work Options Restoration Key Factors Insulation conditionInsulation condition Type and thickness of insulationType and thickness of insulation # of plies# of plies Lamination between pliesLamination between plies Amount of top pourAmount of top pour Condition of feltsCondition of felts –moisture –rotting –shrinking Insulation conditionInsulation condition Type and thickness of insulationType and thickness of insulation # of plies# of plies Lamination between pliesLamination between plies Amount of top pourAmount of top pour Condition of feltsCondition of felts –moisture –rotting –shrinking Type of feltsType of felts Historical - leaksHistorical - leaks Quantity of anomaliesQuantity of anomalies AgeAge Flashing type / conditionFlashing type / condition Number / type of projectionsNumber / type of projections Roof TrafficRoof Traffic Use of building - R-valueUse of building - R-value

Roof Work Options Restoration Typically 1/2 the cost of roof replacementTypically 1/2 the cost of roof replacement ‘Good bang for your buck’‘Good bang for your buck’ Typically 1/2 the cost of roof replacementTypically 1/2 the cost of roof replacement ‘Good bang for your buck’‘Good bang for your buck’