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Repair vs. Replacement of Wood Shingle Roofing



During an inspection in Parker Colorado, for my company, Magpie Property Inspections LLC, this roof was observed. Normally, a wood roof is not walked upon during an inspection as it can cause damage to the shingles, but in this case the owner requested I check the roof from on top. The home is approximately 20 years old and the shake shingles are showing a great deal of wear. Some are split and or missing. This roof may still be repairable, although the cost and difficulty to repair this many damaged shingles makes it a borderline case for replacement. In this case, we recommended the roof be replaced to our client prior to sale as the un-repaired areas of the roof will likely continue to deteriorate rapidly at this stage. In many cases, In many cases, wood roofs can be repaired and the roof certified against leaks for 5 years by a qualified roofer.


Log Home repair – maintenance

As the owner of Magpie Property Inspections, I recently inspected this home hear Parker Colorado. As a Certified Home inspector, I thought I would share some basic information regarding log homes and some photo examples of repair and maintenance for those who are interested in, or own, a log home. Some of this information has been taken from Log Building Maintenance and Restoration’s web site.

The restoration of a log home requires water repellent and protection against the suns UV rays. It is essential that a quality product is used to protect the home. Special types of stains and coatings are available to protect log homes.  The stain used should is specifically designed to protect your home in all weather conditions or elevations.


These days, the media utilized in the removal of aged and deteriorated finishes is a biodegradable, non-toxic method favored by log home professionals. Often corn cob or walnut shell material  is used to blast old finishes off the logs to prepare for re-staining. This method is proven to remove up to 98% of the existing finish and produces a clean, dry and textured surface ideal for optimal penetration and adhesion of stains and other finishes.

As the logs acclimate to your region, occasional failures in chinking may occur, because of the movement of the logs, and/or the aging process. It may crack, or become soft and lose effectiveness. It is important to inspect and repair any damaged chinking




Log homes are a natural attraction for bees, insects and other pests. They, along with the weather, can take a toll on any log home which is why it is necessary to caulk cracks and gaps. As a log home stands through the seasons, its’ logs will grow and shrink in the hot and cold weather; this causes cracks in the wood and gaps between the logs. In order to keep the weather out and your heating and cooling bill down, caulking the home can be very beneficial.



Original 1953 Custom Home

My company, Magpie Property Inspections LLC, recently inspected this home in Denver Colorado, which I thought was awesome. It was built in 1953, and when I inspected it last month,  almost all of the original interior fixtures, cabinets, flooring (except carpeting) and features were intact. The owners had upgraded plumbing, electrical components and added safety features to modernize the home, but most of it was original and in very good condition. Bath tubs and showers, tile, kitchen cabinets; even the 50’s style intercom system with radio was still in place. As a history buff, with a longtime construction background, this place was a real time capsule. I thought it would be fun to share with others.

P1010187       Hall bath                               P1010206 Kitchen – Original Cabinets and flooringP1010207 Original intercom and radio.P1010210 Master bath – totally 50’s decor! P1010217Original flagstone and mahogany

My clients plan to keep much of the original finishes and complete updating the mechanical aspects of the house. It is truly one of a kind, and still beautiful.

Improper Alteration of I Beams or Support Elements in Your Home.

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During a home inspection in Aurora Colorado,  my company, Magpie Property Inspections encountered a serious situation. One of the owners cut a hole through the middle of the steel I beam in the garage in order to install a garage door opener.  This is a very bad idea. The beam is a critical support member holding up a second story of the home.

I-beams are widely used in the construction industry and are available in a variety of standard sizes. Tables are available to contractors, architects and engineers allow easy selection of a suitable steel I-beam size for a given load. It is critical that the selection of the size and material used be made correctly for structural integrity and safety. Beams may be used both as beams and as columns. I-beams may be used both on their own, or acting with another material, typically concrete.

I-beams are commonly made of structural steel but may also be formed from aluminum or other materials. A common type of I-beam is the rolled steel joist as is the case in this home.

I Joists are I-beams engineered from wood with fiberboard and/or laminated lumber are also becoming increasingly popular in construction, especially residential, as they are both lighter and less prone to warping than solid wooden joists. However there has been some concern as to their rapid loss of strength in a fire if unprotected or covered with some type of fire stop material.

Whatever type or beams or support system which in place in your home, never make any alterations to changes to the beam, beam pockets or supports on your own. In the example above, the dead load capacity of the beam has been diminished and this has the potential to result in deflection or movement of the beam causing damage the structure of the home. If you notice cracking, flexing, twisting or evidence of movement in the beams and/or supports, have it checked by a qualified engineer or expert.

Polybutalene Plumbing

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These two photos were taken during a home inspection in Castle Rock Colorado performed by my company, Magpie Property Inspections. The home was built using polybutylene plumbing and fittings.

Polybutylene, or PB is a form of plastic piping that was used in the manufacture of water supply plumbing from 1978 until 1995. Due to the low cost of the material and ease of installation, polybutylene piping systems were a substitute for traditional copper piping in about one out of 5 homes during that era. It is most commonly found in the southwest and western areas of the country. This type of plumbing has been the subject of a number of lawsuits and is no longer manufactured or installed in new homes. It is generally white, gray or light blue in color. The upper photo  is a good example. Note the lower photo  shows a gray pipe, which is polybutylene and also a bright blue pipe which is a different plastic material currently in use successfully, called PEX. Not all plastic piping is polybutylene.

It is generally believed that ingredients in  public water supplies, such as chlorine, react with the polybutylene piping and acetal fittings causing them to become brittle. Small cracking may result in the pipes and fittings and the basic structural integrity of the system is compromised. If this occurs the system becomes weak and may begin to leak causing damage to the building structure and personal property. In some cases, improper installation of the piping and fittings has resulted in leaking and subsequent water damage.

Polybutylene plumbing inside your home can be found in the unfinished areas of basements or crawlspaces, near the water heater, or protruding from the wall into vanities or kitchen cabinets. In some cases however, plumbers used copper “stub outs” where the pipe exits a wall to feed a fixture, so seeing copper there does not definitely mean that you do not have PB.

If you have plastic piping which has developed leaks, or looks like this type of material in the photo on the left, we recommend having a professional evaluation of the condition of the plumbing by a qualified plumbing contractor. They may help you determine what is the appropriate remedy is to address any problems you may be incurring.

Ground Fault Circuit Interrupter Outlets


Your home most likely is equipped with GFCI outlets. These outlets normally have two buttons, in the middle, one marked “test” and the other marked “reset.”  Our company, Magpie Property Inspections inspects homes throughout the Denver Metropolitan area, and we check the functionality of these devices during each home inspection. You may find them in some or all of these locations of your home:



Outside outlets



Laundry rooms

A ground fault circuit interrupter (GFCI) is an electrical outlet with a device that shuts off an electric power circuit when it detects that current is flowing along an unintended path, and/or in an unbalanced level. They are placed in areas, for example, where water sources are present and it is possible for current to contact water which will draw the current outside its intended route, normally the wiring and/or the appliance being used.

A GFCI works by monitoring the current which leaves a power source, such as the ungrounded or live wire and checks it against the current which returns to the neutral wire in the electrical system. If they become unequal due to a fault in the system, or an unusual demand on the system, or the current is somehow leaking in an unwanted way, the GFCI shuts the power off. The outlet will keep shutting off until the source of the problem is corrected. If this is occurring in one of your outlets, a qualified should be consulted to evaluate the outlet and system. These units can become damaged or wear out, so it is recommended that they be tested monthly.

The use of GFCI’s has evolved over the years, and current electrical codes require that GFCI outlets be installed in more locations that in years past. You can check with you local building department or a qualified professional for current requirements. Although GFCI protection may not have been required at the time your home was built in all of these areas, for safety reasons, consider upgrading the electrical system to include GFCI protection at the following locations:

  • Bathrooms
  • Outside
  • Garages
  • Crawlspace (at or below grade)
  • Unfinished basements
  • Kitchens
  • Laundry rooms
  • Within 6 feet of all plumbing fixtures
  • Boathouses

Aluminum Wiring


These photos are of an electrical system found in a house that my company,  Magpie Property Inspections, conducted during a home inspection in Aurora Colorado.  The home was built in the late 1960’s and initially had aluminum wiring installed in place of copper wiring. As the photos indicate, some renovations were conducted later which included mixing copper and aluminum wiring in the service panel and branch wiring.

Between 1965 and 1973, aluminum wiring was sometimes substituted for copper wiring in residential electrical systems. Connections in outlets, switches, and light fixtures with aluminum wiring may become increasingly dangerous as time passes. Poor connections cause wiring to spark and overheat, creating a potential fire hazard.  If you have aluminum wiring in your home, it should be inspected by a qualified electrician experienced in evaluating and correcting aluminum wiring problems. Not all electrical contractors qualify. Aluminum wiring connections are subject to greater deterioration than is copper due to thermal expansion and contraction, vibration (caused when electric currents pass through wiring), oxidation (caused by exposure to oxygen in the air), and galvanic corrosion (caused when two different metals are connected together), all of which can cause poor connections. When wires are poorly connected they overheat, which creates a potential fire hazard.

There are safe remedies to correcting hazards from aluminum wiring. We recommend consulting with a qualified electrical contractor if your home was built during this time frame and you are concerned with having aluminum wiring in your electrical system.

Hot Water Heater Flameout

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These photos of water heaters were taken during home inspections in Parker and Aurora Colorado. As you can see, they have both “Flamed Out” which means the pilot light or heating elements have failed and replacement is needed. A hot water heater is a relatively simple and safe device that is essential to a comfortable life style. It operates by having cold water enter a tank which is then heated by an electric or gas burner inside. As the water is heated to between 120 to 140 degrees, pressure builds and the hot water is then released into the hot water pipes when a faucet is opened creating an escape route for the pressure within. A standard hot water heater is expected to last from 10 to 12 years on average.

Whether a unit needs to be replaced or can be repaired depends on several factors. If a pilot light flickers out, or a thermostat or valve develops a functional issue, a qualified plumber may be able to repair the unit if is less than 7 or 8 years old. If it is an older unit, it is likely more cost effective just to replace it. If the unit begins to leak around any of the valves, or the temperature relief valve in particular, it should be inspected by a qualified professional and likely replaced. If a unit develops and issue like these have, where the burner unit has worn out and emitted flames from inside the unit, it should be replaced for safety.


Unsafe Exterior Electrical Fixtures and Outlets

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Pictured above are examples of two exterior electrical outlets on homes that I photographed during home inspections which were conducted in  Aurora Colorado and Parker Colorado. Both represent an important safety concern which is fairly common on homes I see as a Home Inspector. In some cases like the photo on the left, improper interior type outlets have been installed by an unqualified person on the outside of a home. In other cases, the correct exterior outlet is either broken or damaged in some way. Whatever the reason, it is not safe to have any electrical outlet with live ungrounded wiring exposed to weather or water from any cause. Water intrusion into an outlet can lead to a short or fault damaging the system,  cause a fire or more importantly, dangerous electrical shock to a person nearby.  Current updated exterior outlets are available from a variety of home improvement stores and can be installed by homeowners who follow the instructions properly or qualified electrical contractors. It is a good idea to check your outside outlets and make sure they are safe.

Smoke Detectors – Carbon Monoxide Detectors

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As a home inspector,  and the owner of Magpie Property Inspections, an important aspect of a home inspection for me is checking on the presence and condition of smoke and carbon monoxide detectors. During this home inspection in Aurora Colorado it was noted that the original smoke detectors had been removed and updated with a combination carbon monoxide and smoke detector.  There are several manufacturers which offer combination units like the one pictured on top above.

Most manufacturers recommend replacing smoke detectors at between 7 and 10 years. It is always a good idea to check the smoke detectors in your home and keep the batteries changed at least once per year. Whether the units are hard wired or battery only, they contain batteries for either primary power or back up protection. Many smoke detectors  become discolored as they age, like the second picture above,  so if you have a home that is a few years old or more, and the smoke detectors are becoming brown or yellow, it is likely time to change them.

One other note, in many locations it is now required that homeowners have carbon monoxide detectors installed in the dwelling as well as traditional smoke detectors. In my home state of Colorado, a carbon monoxide detector must be installed and operational within at least 15 feet of all bedrooms or sleeping areas. Replacing the old units with combination units near the bedrooms is a great idea. You can also install carbon monoxide only devices that plug in the wall outlet to make it simple and inexpensive to provide this vital protection for the occupants of your home.