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Venting 3 gas appliances into one chimney

By BLTadmin | March 29, 2015 | No Comments

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??????????????????????????????? The picture shows an old Raypak boiler, inside the cabinet I observed white particles in the area of the burners and heat exchanger in addition to rust particles. There is also a long vent connector from the boiler to the B vent. The water heater, conventional draft and a gas fireplace vent connector are connected to the boiler vent connector. Here are some concerns that I noted to my client, no visible support for the boiler and fireplace vent connectors, the length of run of the boiler vent connector to the B vent is considerable and poses a possible fire hazard. The B vent should have been installed as close as possible to the boiler draft hood and has the chimney been sized properly for the 3 gas fired appliances. Back drafting ( CO ) is the implication for improper chimney sizing. I suggested the client call a licensed HVAC technician for inspection.

Wiring in Attic

By BLTadmin | March 28, 2015 | Comments Off on Wiring in Attic

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???????????????????????????????It is good practice to inspect attic wiring especially in older homes, this was a century home that had been rewired. The sheathing on the branch wire had been damaged by vermin, possibly squirrels or mice. Any more damage to the sheathing would have exposed the copper wire which would have been a fire hazard. I recommended a qualified person inspect the attic for signs of vermin and repair any holes that would allow easy access. A licensed electrical was called to inspect and repair all attic wiring.

Pot Lights in Attic

By BLTadmin | March 4, 2015 | No Comments

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???????????????????????????????As you can see the pot lights are covered with cardboard boxes, definite fire hazard, this happened to be a handyman special. Pot lights installed in the attic require a metal or insulated container surrounding the lights to avoid contact with the insulation. I suggested to my client to have a licensed electrician install the correct containers according to the manufacturers requirements. If you  are installing pot lights and using halogen bulbs, refer to the manufacturers installation requirements. Halogen bulbs give off a high amount of heat which may require updating old wiring and using insulated containers surrounding the lights. Another concern is air leakage, the pot lights should be sealed to prevent warm air infiltrating the attic or air infiltrating the room below. Moist air infiltrating the attic could condense and possibly form mould on the wood structure.

Abandoned T vent

By BLTadmin | March 1, 2015 | No Comments

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Abandoned T ventThe old gravity feed draft furnace was removed and a high efficiency furnace was installed. This setup was performed by the HVAC tech,  the abandoned T is code compliant and cost effective. Always check to ensure the end of the T is properly sealed with aluminum tape to prevent leakage of products of combustion into the building envelope. However, a much cleaner installation would have been replacing the abandoned T with the proper transition, higher installation cost.

Dielectirc Union

By BLTadmin | February 21, 2015 | No Comments

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???????????????????????????????When steel ( galvanized ) and copper are in contact as shown on this cold water supply ( water heater ) a dielectric union must be used to prevent corrosion. Apparently in this photo a dielectric union used not used, implication, cold water leakage. A licensed plumber or the service contractor if a rental unit should be notified immediately for repairs.

Flipping a Century home

By BLTadmin | March 12, 2014 | No Comments

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19 Magill Street Hamilton 073  The home inspection of the century home uncovered 3 issues from this photo, in order of importance, structural beam not stable, efflorescence on the stone foundation and uncovered dirt crawl space. The beam is supporting the floor joists and the wood columns are positioned on stones, lateral movement of the columns is possible, the beam size may not be sized properly to support the load from the above floor. Efflorescence suggests moisture is in contact with the foundation, if moisture seeps into the uncovered crawl space, dampens the soil, the moisture from the soil could rise and affect the wood structure above, in addition to releasing odours from the dampened soil.

I recommended a structural or design engineer to evaluate the structural issue, beam size and footings for the columns, secondly, call a qualified basement contractor to evaluate the crawl space, cover the soil and evaluate the stone foundation. Homes of this vintage do not have drainage systems around the footings of the foundation. Typical solutions maybe to excavate the exterior, extend all down spouts, use gutter guards to avoid overflowing, create positive grades around the foundation

 

Electrical- Home Inspection Uncovers

By BLTadmin | February 24, 2014 | No Comments

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19 Magill Street Hamilton 068

A good idea for the client to pursue a home inspection on this property. The listing indicated a 100 amp service, however, the home inspector verified that the service was in fact 25 amps, ( 2- 25 amp fuses ) were discovered in the main fuse panel. In addition, the cable servicing the panel was a # 6 copper wire only capable of handling 60 amps. The connecting sub panel was a breaker panel and the panel rating was 100 amps. The rating only indicates the amperage the service panel can safely accommodate, it does not indicate the service size.

Pull Down Stairs to Attic

By BLTadmin | October 6, 2013 | No Comments

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The home inspection uncovered 3 issues in the attic. First, the pull down stair kit is not properly insulated, imlpication being, heat loss from the home into the attic and during the summer months heat can escape from the attic into the home increasing energy costs. Recommendation is to seal and insulate the stair construction, always a problem. Secondly, the installer cut the web support for the engineered truss, implication being, structural issue and a designer, engineer or licensed carpenter familar with structural framing should evaluate the potential problem and repair, thirdly, the seller used the attic as a storage area and compacted the insulation, implication being, heat loss into the attic increasing energy costs. We did observe black areas on the sheathing which may be fungi growth due to the amount of warm air escaping into the attic. I suggested to the client to remove the OSB boardson the ceiling joists used for storage, re-insulated the compacted areas and to call an quality specialist for an air sample. The client has a small child with allergies.

Stranded Copper and Aluminum wire, Double Tap

By BLTadmin | October 6, 2013 | No Comments

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Inspecting the service panel I observed 2 critical electrical safety hazards. The first being a stranded copper wire, light gauge extension cord wire, attached to a lug on a pull out fuse, this is a fire hazard. The second hazard was the double tapping of the stranded wire and the aluminum wire, this is a fire hazard. Copper wire assuming 14/2 and aluminum wire 14/2 can not be double tapped because the coefficient of expansion for each material is different and this presents a possible electrical fire hazard. I immediately informed my client and the seller of the possible safety concerns and to call a licensed electrician to inspect and repair the elctrical system.

Ground and Bond wire on neutral New Home Construction

By BLTadmin | April 13, 2013 | No Comments

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The home was built in 2012

New homes have their faults, a 30 day home inspection under Tarion Warranty Program would have discovered this safety issue. 

The home inspector observed a ground wire from the air conditioner and the gas bonding wire both connected to the neutral bar, electrical safety issue. All ground and bonding wires should be connected to the ground bar. I recommended immediate repair by a licensed electrician.