BUILDING ENVELOPE CONSULTING SERVICES

CONSTRUCTION COMPLIANCE TESTING

STORM RELATED ROOF DAMAGE ASSESSMENTS

FORENSIC INVESTIGATIONS

LITIGATION SUPPORT

FM GLOBAL 1 – 52 FIELD UPLIFT TESTS

ASTM E 907 FIELD TESTING UPLIFT RESISTANCE OF ADHERED MEMBRANE ROOFING SYSTEMS

ASTM E 1105 STANDARD TEST METHOD FOR FIELD DETERMINATION OF WATER PENETRATION OF INSTALLED EXTERIOR WINDOWS, SKYLIGHTS, DOORS, AND CURTAIN WALLS

NEGATIVE PRESSURE TESTING

FM GLOBAL 1-

52

ASTM E 907

SIMULATING WIND UPLIFT PRESSURE TO

VERIFY RESISTANCE OF LOW-SLOPE

MEMBRANE ROOFS

WIND

WIND ACTS A FLUID FLOWING

OVER AND AROUND

STANTIONARY OBJECTS

WIND

25 psf

~ 25 psf

WIND CAUSES A POSITIVE

PRESSURE ON THE WINDWARD

SIDE OF THE OBJECT

AND CAN CAUSE A NEGATIVE (UPWARD)

PRESSURE ON THE ROOF

WIND

AFTER THE STORM

BUR - DELAMINATION

Poor Adhesion Between Deck and Insulation

Poor Adhesion Between Insulation and Cover

BoardPoor Adhesion Between

Cover Board and Membrane

BUR - DELAMINATION

Poor Adhesion Between Cover Board and

Membrane

TPO - DELAMINATION

Poor Adhesion Between Insulation and

Membrane

TPO - DELAMINATION

BUR - FASTENER FAILURE

BEFORE THE STORM…

NEGATIVE PRESSURE TESTINGCONSTRUCTION COMPLIANCE AND RISK ASSESSMENT

NEGATIVE PRESSURE TESTING

NEGATIVE PRESSURE TESTING

5’ SQ Chamber Imposes an Uplift

Force on the MembranePressure is

Incrementally Increased to the

Design Test Pressure

Deflection of the Membrane is

Measured and Compared to Performance

Criteria

NEGATIVE PRESSURE TESTING

Fastener holding adequately at test

pressure

NEGATIVE PRESSURE TEST

Application Acceptance of new (including re-roofed and

re-covered) above-deck roofing assemblies by FM Global…in regions that are both prone to hurricanes, typhoons or tropical cyclones and where design wind speeds are at least 100 mph (FM 1-52).

Field verification of adhesion of low-slope roof for the issuance of a certificate of insurability. For example WPI-8 for the Texas Department of Insurance (TDI).

NEGATIVE PRESSURE TEST

Application Risk Assessment – as part of the evaluation

of a property this test could be used to determine probable loss at incremental pressure (Hurricane Strengths).

CURTAIN WALL TESTING

NEW CONSTRUCTIONFORENSIC INVESTIGATIONSRISK ASSESSMENTDUE DILIGENCE

CURTAIN WALL TESTING

Rack Calibrated to Deliver 5 gal / sf /

hr

CURTAIN WALL TESTING

CURTAIN WALL TESTING

Pressure Differential

Imposed Across System

CURTAIN WALL TESTING

CURTAIN WALL TESTING

CURTAIN WALL TESTING

CURTAIN WALL TESTING

CURTAIN WALL TESTING

Water Infiltration

FORENSIC – COMPONENT ISOLATION

The Forensic Version of the Test Allows For

Isolation of Various

Components to Determine Mode

of Failure.

FORENSIC – COMPONENT ISOLATION

FORENSIC – COMPONENT ISOLATION

IR Images During Test Help Indentify Path of

Water Intrusion

FORENSIC – COMPONENT ISOLATION

IR Images During Test Help Indentify Path of

Water Intrusion

DESTRUCTIVE OBSERVATIONS…SOMETIMES YOU JUST NEED TO OPEN THE WALL AND SEE WHAT IS HAPPENING

FORENSIC INVESTIGATIONSLITIGATION SUPPORT

WATER INFILTRATION INVESTIGATIONS

WATER INFILTRATION INVESTIGATIONS

WATER INFILTRATION INVESTIGATIONS

WATER INFILTRATION INVESTIGATIONS

WATER INFILTRATION INVESTIGATIONS

Remove Finish Materials

WATER INFILTRATION INVESTIGATIONS

Document MC of Framing

WATER INFILTRATION INVESTIGATIONS

Run Component Isolating Water Test to

Determine Mode of Failure

BUILDING ENVELOPE SURVEY

NEW CONSTRUCTIONLITIGATION SUPPORTFORENSIC INVESTIGATIONSRISK ASSESSMENTDUE DILIGENCE

BUILDING ENVELOPE SURVEYS

BUILDING ENVELOPE SURVEYS

BUILDING ENVELOPE SURVEYS

BUILDING ENVELOPE SURVEYS

BUILDING ENVELOPE SURVEYS