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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

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    • CommentAuthorCWatters
    • CommentTimeMay 27th 2009
     
    http://www.telegraph.co.uk/property/propertyadvice/jeffhowell/5344583/DIY-advice-compact-fluorescent-lamps-and-spray-on-foam.html

    Quote:

    18 May 2009

    SPRAY FOAM WARNING

    Q My elderly parents, all ready to up sticks in a few weeks to be near family, have just been told that their house is “unmarketable as it is”, because the surveyor has noticed their cottage roof has been “professionally” insulated with spray foam. At such a difficult economical time, it is a hard blow for the chain of three involved. My parents are now facing either being trapped in a home they can ill-afford, with the “potential of toxic mould” – or having to pay thousands to get a new roof. The first option is unacceptable and the second is unattainable. I cannot believe that these companies can get away with this, and fear my parents have no fight left to make a challenge. If this is the new stance being taken by surveyors, then it is going to be a huge problem for so many people who have been impressed by these persuasive foamspraying firms. Do you think my parents might have grounds for legal redress against the company concerned? JH, Dublin

    A I have been warning against the dangers of spray-on foam roof undercoatings since I started writing this column 10 years ago. And now it seems the surveying profession is finally starting to agree that it is a bad thing to do to a house. The foam sticks to the slates or tiles and makes it impossible for them to be reused. It cuts down natural ventilation, increasing the likelihood of condensation and mould problems. And it is contrary to the requirements of the Building Regulations, which specify a clear, ventilated 50mm air gap between insulation and roof covering. On top of all that, the foam spraying often costs more than a proper re-roofing job.

    I am no legal expert, but I would suggest that since the company that sprayed this foam has clearly reduced the value of your parents’ house – by the amount needed to rectify the situation – then they might have good grounds for a damages claim.
    •  
      CommentAuthorSteamyTea
    • CommentTimeMay 31st 2009
     
    CWatters

    I doubt if the do have redress, how long ago was it done, did they initiate the work and was the work done to the specified standard.

    Here is a quick legal breakdown of contract law:

    Term: contract

    1.

    A contract is a binding agreement between at least two parties.
    Overview of Contracts

    In order to form a contract, the essential elements are:

    1. offer
    2. acceptance
    3. consideration
    4. capacity
    5. intention to create legal relations
    6. no vitiating factors

    Offer

    An offer is a promise to do or not to do something in sufficiently clear terms, that may be accepted by another. An offer should be distinguished from an invitation to treat and a mere expression of intention to do or not to do some act. Offers do not necessarily need to be made to one person – that may be made to the world at large or to specific groups of people.

    The significance of an offer is that when it is accepted (subject to the other essential criterion, below) the contract is formed.

    In addition to being accepted, an offer may be rejected, a counter-offer may be made, the offer may lapse or the offeror may withdraw the offer, such that it is no longer available to be accepted.

    Option Agreements prevent an offer being withdrawn for a period of time.
    Acceptance

    When an offeree (the "acceptor"), accepts an offer, the contract is formed. Acceptance may be in writing, orally or implied by conduct and silence cannot amount to acceptance of an offer other than in unilateral contracts or the postal acceptance rule applies.
    Consideration

    Consideration is a promise, an act, or a promise not to act and represents the value in the contract. For example, in a services contract for services, one person will promise to perform services (the consideration of one party), and the other will promise to pay money in exchange for the service (the other party's consideration). Consideration in a contract may be executory, executed or past. Executory consideration is a promise that will be performed in the future, executed consideration is a promise that has been performed thus giving rise to the obligation on the offeror to perform their promise, and past consideration is where a promise is performed before the formation of the contract and as such cannot be used to bind the other party to the contract: importantly, past consideration is not sufficient to form a binding contract.

    Consideration must move from the promisee, as the English common law system does not enforce gratuities as the civil law system does. Also, consideration need not be adequate, but must be sufficient. That is to say that there is no requirement in law that the value of the consideration between the parties must be equal or near equal provided there has been no vitiating factors.
    Capacity

    In order to enter a contract, a party must have the legal capacity to do so, and as such cannot be a bankrupt or a minor (subject to the Minors' Contracts Act 1987). Under this Act for instance minors are able to enter into contracts for necessities.
    Intention to create Legal Relations

    The parties must intend that the offer and acceptance be binding upon them. There is a presumption operating in commercial contracts that the parties intend to create legal relations.
    Construction of Contracts: General Principles

    The interpretation of the terms of a contract is a question of law an exclusively within the jurisdiction of the judge. Courts will construe contracts, rather than not make contracts. Each term does not need to be completely unambiguous: a judge will construe the contract by giving each term its ordinary and everyday meaning unless there is some basis to depart from this general rule. As a matter of construction, the parties are to be confined to the terms contained within the four corners of the document in which they have chosen to record their agreement. Construction places emphasis on the manifested intentions of the terms contained in a contract and not the parties actual intentions. Accordingly, even though one or more terms may be ambiguous the contract does not fail for uncertainty.

    Privity of Contract

    The doctrine of privity of contract consists of two general rules: firstly, a third party cannot be subjected to a burden of contract to which he is not a party. The second is that a person who was not a party to a contract could not sue upon the contract in order to obtain the promised performance. This rule has been altered by the introduction of the Contracts (Rights of Third Parties) Act 1999.

    Assignments of Contractual Rights

    The burden of a contract cannot in principle be transferred so as to discharge the original contracting party without the consent of the other party. There are two exceptions. If the contractual rights have been assigned, those rights will be subject to the original contract. An instance of this, Britain & Overseas Trading Ltd v Brooks Wharf Ltd, an exemption clause in the original contract was binding on the assignee of the contract. Such cases are examples of the "conditional benefit" principle. This principle applies where the right which has been assigned is on the condition that certain restrictions are observed. These are an intrinsic part of the right, so that the burden is annexed to the benefit of the contract. Therefore, the person with the benefit must perform the burden, or otherwise forego the benefit. Whether a conditional benefit arises is dependent upon the proper construction of the contract.

    The second exception is the pure benefit and burden principle, which arose in the case Tito v Waddell (No.2), where the rights given in the contracts were not qualified nor conditional on certain obligations, but still rendered the defendants liable. (http://www.gillhams.com/dictionary/276.cfm)


    Seems unfair but the law is there to protect both side.

    Nick
    •  
      CommentAuthornigel
    • CommentTimeMay 31st 2009
     
    The supplier may not be liable under contract law but they may still be liable under the tort of negligence and/or misrepresentation.
    • CommentAuthorPeter C
    • CommentTimeJun 1st 2009
     
    Hi,

    The side effects of applying such materials for roof upgrades has been known for a long time, I believe the first negative findings were by a UK County Council who had the roofs of a large numer of their houses treated with a foam application.

    Installation of proprietry roof vents at the time of applying the foam was considered to be possible answer to the problems caused.

    .
    • CommentAuthorCWatters
    • CommentTimeJun 1st 2009
     
    Installation of proprietry roof vents at the time of applying the foam was considered to be possible answer to the problems caused.


    Not quite sure how?

    What about the normal the 50mm ventilated air gap used to protect the rafters from condensation?
    • CommentAuthorralphd
    • CommentTimeJun 2nd 2009
     
    Where is the condensation occurring?
    If there were something fundamentally wrong with unvented roofs, then SIPs wouldn't work for roofs either...

    Vented roofs are more forgiving, and therefore don't require the level of engineering that an unvented roof does.

    -Ralph
    • CommentAuthorPeter C
    • CommentTimeJun 3rd 2009
     
    Hi CW,

    The vents were meant to supply cross flow ventilation in the roof space, I did say possible answer.

    I am referring back to around 1985 (give or take a year) the system was being promoted heavily at an exhibition in Birmingham, another great find at the time was fibreglass flat roofs !

    I was told about the faults by an engineer I met in the hotel where I was staying.

    .
    • CommentAuthorCWatters
    • CommentTimeJun 3rd 2009
     
    Peter - Ok yes vents would work if the foam were applied between the loft floor joists but not if between the rafters.

    Ralf - I don't have a problem. Just posted the story to ensure others were aware of the issue.
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