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Photograph of EIFS synthetic stucco building interior.

Exterior Stucco - EIFS
InspectAPedia®  -    

  • EIFS - synthetic stucco
  • Exterior Insulation and Finish Systems" or "barrier", a synthetic stucco
  • EIFS inspections, EIFS leak diagnosis, EIFS repairs, EIFS or synthetic stucco litigation
  • Proper installation methods for synthetic stucco on buildings
Our site offers impartial, unbiased advice without conflicts of interest. We will block advertisements which we discover or readers inform us are associated with bad business practices, false-advertising, or junk science. Our contact info is at InspectAPedia.com/appointment.htm.

Discussion of the inspection, diagnosis, repair, and proper installation of synthetic stucco EIFS systems. Readers should also see STUCCO OVER FOAM INSULATION and also may want to review POLYISOCYANURATE FOAM INSULATION. Also see STUCCO PAINT FAILURES. If your stucco on foam siding extends below ground, also see Insects & Foam Insulation.

© Copyright 2010 Daniel Friedman, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use links at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

Synthetic Stucco, EIFS Siding Products, Failures, Litigation, Services

EIFS is an abbreviation for "Exterior Insulation and Finish Systems" or "barrier", a synthetic stucco material which is usually applied over a system of solid foam insulation board and synthetic fabrics to form a stucco building exterior surface.

There have been substantial building failures and costly damage at many EIFS covered buildings, primarily because the EIFS-covered building exterior may leak into the building walls but the foam insulation used beneath this stucco method may not allow moisture to escape from building cavities.

Photograph of EIFS synthetic stucco building interior. Photograph of EIFS installation leak at a window sill.

In a nutshell, leaks into the structure of an EIFS-covered building can cause major mold, rot, and structural damage because water leaks into the structure from installation defects (very common), holes, or damaged siding.

EIFS synthetic stucco product manufacturers provide detailed installation guides that should be meticulously followed by builders. EIFS manufacturers state that if their materials are installed according to their specifications there will not be problems with this synthetic stucco method.

But we have rarely found a residential building at which the demanding and detailed product specifications have been followed during installation, and in our OPINION, the specifications may be just too demanding for many residential EIFS installers. EIFS siding material has been the subject of failures and litigation.

The photographs above are of an EIFS building exterior showing the attractive EIFS finish in the left photo and a typical wall leak at an improperly installed window sill in the right-hand photo. Further invasive inspection found rot and damage in building walls at multiple locations where penetrations or absent flashing or caulking had led to leaks.

At another EIFS building we investigated and one which was in litigation, the EIFS installation contractor defended a defective EIFS installation (no caulking, no sealants, no flashing) by arguing that the prime contractor was responsible for those details and that his contract excluded those details.

He was "just hired to apply the stucco system". In view of the fact that "application" of the particular manufacturer's stucco system called for numerous sealing details, not one of which was followed, this was a ridiculous argument. Damages were substantial.

EIFS, Synthetic Stucco, Dryvit, Sto wall type system failure investigations, EIFS leaks, building rot from siding leaks, EIFS defects-caused mold damage, EIFS siding inspection and repair methods are discussed at the links to articles, attorneys, associations, and product manufacturers listed at this website.
[If you are an EIFS manufacturer, installer, or EIFS inspector, contact us to add listings - there is no fee.]

Readers should see PAINT on STUCCCO, FAILURES and also see STUCCO OVER FOAM INSULATION - choices of insulation and support for stucco over foam insulation over masonry walls. Readers may also want to review POLYISOCYANURATE FOAM INSULATION.

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Use links just below or at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

EXTERIORS of BUILDINGS
AGE of a BUILDING - how to determine
ALGAE, FUNGUS, LICHENS, MOSS
ATTIC CONDENSATION
BASEMENT WATERPROOFING
BOOKSTORE - EXTERIORS
CHIMNEY INSPECTION DIAGNOSIS REPAIR
DECK & PORCH CONSTRUCTION
DECK COLLAPSE Case Study
DECK FLASHING LEAKS, ROT Case Study
EARTHQUAKE DAMAGED FOUNDATIONS
ENERGY SAVINGS in BUILDINGS
ENVIRONMENTAL HAZARDS
FLOOD DAMAGE ASSESSMENT, SAFETY & CLEANUP
FOUNDATION WATERPROOFING
HEAT TAPES & CABLES on Roofs for Ice Dams
HOUSEWRAP AIR & VAPOR BARRIERS
LEAD POISONING HAZARDS GUIDE
LEAD TEST KIT for HOME USE
LOG HOME GUIDE
LIGHTNING PROTECTION
MOLD DETECTION & INSPECTION GUIDE
ODORS & SMELLS DIAGNOSIS & CURE
PAINT ANALYSIS USES
PAINT & STAIN GUIDE, EXTERIOR
PAINT FALURE, DIAGNOSIS, CURE, PREVENTION
PORCHES & Sunrooms
ROOFING DIAGNOSIS INSPECTION & REPAIR
SEPTIC SYSTEMS
SHEATHING, Gypsum board
SHEATHING Homasote & Other Board
SHEATHING, OSB
SHEATHING, Plywood
SHEATHING, FOIL FACED - VENTS
SIDING, ASBESTOS CEMENT SHINGLES
SIDING EIFS STUCCO
SIDING HARDBOARD
SIDING VINYL
SIDING WOOD
STAIN DIAGNOSIS on Building Exteriors
STAIN DIAGNOSIS on Indoor Surfaces
STAIRS, RAILINGS, LANDINGS, RAMPS
STUCCO OVER FOAM INSULATION
STUCCO PAINT FAILURES
TERMITES, ROT
THERMAL EXPANSION of MATERIALS
THERMAL MASS in BUILDINGS
  THERMAL MASS FLOOR SLABS
  THERMAL MASS in UPSTAIRS
  THERMAL MASS WALL DESIGN
VAPOR BARRIERS & AIR SEALING at BAND JOISTS
VAPOR BARRIERS & CONDENSATION in BUILDINGS
VAPOR BARRIERS & HOUSEWRAP
VAPOR CONDENSATION & BUILDING SHEATHING
VENTILATION in BUILDINGS
WATER ENTRY in BUILDINGS
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WINDOWS & DOORS
WINTERIZE A BUILDING
MOLD DETECTION & INSPECTION GUIDE
MVOCs & MOLDY MUSTY ODORS
MYCOTOXIN EFFECTS of MOLD EXPOSURE
NOISE / SOUND DIAGNOSIS & CURE
ODOR DIAGNOSIS CHECKLIST
ODORS & SMELLS DIAGNOSIS & CURE
ROOFING INSPECTION & REPAIR

  • Thanks to Michael Leavitt, an professional home inspector, for help with the EIFS resource links.

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