The image I had picked was basement termite entry. Before becoming licensed by the state to perform termite inspection. I had never had a clue that termites were able to enter a home from under the floor of a basement. As shown you can see it make entry by a post that had been set in the concrete floor of the basement.
After reading “Asbestos”, I learned that there are several types of asbestos fibers but all can lead to a form of lung cancer called “Mesothelioma” 20-30 years from the time the fibers first enter the system. Asbestos is generally found in homes and products made before the 1970’s.
This open valley flashing is up to code for this asphalt shingle roof. There is no sign of water intrusion and none of the asphalt shingles on the roof appear to be damaged or installed improperly as well as their fasteners.
Very informative steps. Great…
The roof shingles over the south addition and the south side of the east addition are newer apparently around 15-20 years old; however, even the newer sections of the roof appear to be in marginal to defective condition with numerous defects. Holes and damage are present in areas, and valleys were installed in a substandard manner and are rusting; water damage and water staining on the interior of the family room and the sun room indicate that active leakage is occurring. Ice damming is suspected where the sunroom joins the south addition. The rest of the roof shingles are in very poor condition with greater than 50 tabs missing. Tree limbs have damaged the roof structure along the west side, and substandard repairs are evident. The gas boiler vent is rusting heavily and in poor condition. Roof sheathing appears to be in poor condition at least in some areas. No attic access could be found for the south addition; however, the lack of ventilation suggests that mold and fungus may be present in unseen areas. See below for recommendations.
I came across this issue during a home inspection. This particular home was built around 1940 when building codes were much different than today. This home maintenance has obviously been neglected over the years. here we see an instance where the fascia has completely rotted away and the attempt to properly install this roof(which I can estimate around 15 years ago) was done on the cheap by semi skilled labor. The flashing is done correctly considering they have nothing to work with. However this is a case where gutters could have prevented this along with proper annual maintenance. In this instance, The entire roof should have been replaced including sheathing and fascia boards. Rafter tails should also have been replaced and or repaired.
For this part of the course I chose to read Roofing Underlayment Types.
I learned that there are three types of underlayment. asphalt-saturated felt,
rubberized asphalt and non-bitumen synthetic.
also felt underlayment is water-resistant, but not waterproof.
It is available in two thicknesses: 15-pound and 30-pound.
Fifteen-pound felt has a perm rating of about 5.
There are limitations to felt underlayment such as this many manufacturers produce asphalt-saturated paper labeled Underlayment 15-lb. or 30-lb., which do not comply with any standards, and which are often saturated to a lower level than an ASTM-compliant underlayment.
I do disagree with one point in the article that has information that appears to be wrong or at least out of date.
and I quote" In the future, asphalt-saturated felt underlayment will probably be used less and, by 2014,it will likely no longer be installed at all. Asphalt is basically the residue left over from the process of refining crude oil. As the price of oil has increased, refining techniques have been developed that extract the maximum amount of high-quality products from the crude."
all I can attest to is that asphalt felt is alive and well in California home construction as well as stocked in the local big bix marts all across this state.
great post admin thanks for this.
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Observed torn/missing shingles with exposed nail heads on south roof exposure also noted cracked shingles along ridge with exposed wood in at least two locations. Recommend further evaluation of entire roof surface by qualified roofing contractor. Repair as needed to prevent water intrusion.
Carpet may be found in some residential bathrooms instead of traditional flooring such as vinyl or tile. Commercial bathrooms should never have carpet installed according to the 2007 edition of the International Building Code.
Ease of installation, warmth and comfort are the main reasons for installing carpet in bathrooms. Carpet and the padding can retain moisture and lead to some potentially major disadvantages as well. The moisture retained can promote fungal growth and lead to the deterioration of the wooden sub floor. Mold and bacteria can cause health problems as well.
Homeowners with carpeted bathrooms should take steps to keep carpet as dry as possible and have it cleaned regularly to avoid any of the aforementioned problems.
These courses are great. I have learnt a lot on how to perform a residential roof inspection and recognize general roof defects.
Do classroom home inspection courses harm consumers? Online courses have a multitude of advantages over classroom courses. The many advantages clearly out-way the disadvantages of online courses. Online courses for my purposes and goals at least, is simply the best and most feasible option.
Included is a chimney on a 6/12 pitch roof. Notice the counter flashing install at the chimney location. This flashing was recessed into the mortar joints and installed over counter flashing. This helps direct moisture traveling down chimney face onto roof surface. The asphalt shingles are adequately protecting the roof.
Fasteners for asphalt roofing are as follows. They must have a minimum 3/8" head diameter. They must be driven straight and flush with the surface. If sheathing is 3/4" or less than fasteners must extend through sheathing. Look for over driven or angled fasteners.
Drip edge flashing is something that really isn’t very common on most homes in my area. My house doesn’t have it and several in the neighborhood (all the same builder) even though it’s recommended. This house, and others I’ve inspected, have drip edge flashing, however, it is unfortunately installed incorrectly. Several areas along the eaves have moderately water damaged fascias.
Flashing is one area I would certainly like to know more about. The “Mastering…” series is a great way to learn more about different types, methods, and defects to gain a better grasp on it. One area in particular is a masonry dormer… I’ve seen several homes in my area where there is no flashing at all and the mortar is filled completely to the coverings.
This is a 4:12 slope asphalt shingle in Florida state with more than 12 years. Flashings are in very good condition as the same for the rest of penetrations. Pattern nailing are correct (8d) over a 7/8 playwood as deck.
Flashings are very sensitives when starts the deterioration process. If the flashing has some signs of wearer and the asphalt are cracked, with a little storm wind with water, the water penetration is imminent. Apron flashing is one of the most important flashings to review in places like Florida.
Some of the shingles have come loose and need to be re-secured to the roof decking to prevent any further damage in the future such as leaking and water penetration. Recommend a roofing contractor out to advise you on the best way to repair.
Counter flashing is installed before the step flashing then the shingle is installed over that. This kind of installation is typically seen around a chimney. Lift the asphalt shingle to see if the step flashing has been installed properly, if not note in the report.